diff --git a/.env.example.keycloak b/.env.example.keycloak
new file mode 100644
index 0000000..5c2bc48
--- /dev/null
+++ b/.env.example.keycloak
@@ -0,0 +1,93 @@
+#########################
+## GitHub App Settings ##
+#########################
+## Webhook Secret
+WEBHOOK_SECRET=development
+## GitHub App ID
+APP_ID=12345
+## Private Key Path
+PRIVATE_KEY_PATH=.ssh/team-sync.pem
+## Uncomment the following line and use your own GitHub Enterprise
+## instance if this will not be used on https://github.com
+#GHE_HOST=github.example.com
+## Uncomment if you are using a self-signed certificate on GitHub Enterprise.
+## Defaults to False.
+#VERIFY_SSL=False
+
+## User directory to sync GitHub teams from
+## Azure AD = AAD
+## Active Directory = LDAP
+## OpenLDAP = LDAP
+## Okta = OKTA
+## Keycloak = KEYCLOAK
+USER_DIRECTORY=KEYCLOAK
+## Attribute to compare users with
+## username or email
+USER_SYNC_ATTRIBUTE=username
+
+
+###################
+## Keycloak Settings ##
+###################
+## Your organizations Okta URL
+KEYCLOAK_SERVER_URL=https://example.okta.com
+
+###############################
+## Keycloak authentication ##
+###############################
+## Keycloak account credentials
+## This account needs to have access to the master (or equivalent) realm
+## as it will be using the Admin API
+KEYCLOAK_USERNAME=api-account
+KEYCLOAK_PASSWORD=ExamplePassword
+## Realm where users are stored
+## Default: master
+#KEYCLOAK_REALM=master
+## Realm where the API account is stored
+## Only required if the account is stored in a different realm than your
+## users are in
+## Default: same as KEYCLOAK_REALM
+#KEYCLOAK_ADMIN_REALM=master
+## Use the Github Identity Provider within Keycloak?
+## This requires you to set up the provider as an Identity provider with
+## the user realm
+#KEYCLOAK_USE_GITHUB_IDP=true
+
+#########################
+## Additional settings ##
+#########################
+## Stop if number of changes exceeds this number
+## Default: 25
+#CHANGE_THRESHOLD=25
+## Create an issue if the sync fails for any reason
+## Default: false
+#OPEN_ISSUE_ON_FAILURE=true
+## Where to open the issue upon sync failure
+#REPO_FOR_ISSUES=github-demo/demo-repo
+## Who to assign the issues to
+#ISSUE_ASSIGNEE=githubber
+## Sync schedule, cron style schedule
+## Shortcode for emu accounts
+#EMU_SHORTCODE=volcano
+
+## Default (hourly): 0 * * * *
+SYNC_SCHEDULE=0 * * * *
+## Show the changes, but do not make any changes
+## Default: false
+#TEST_MODE=false
+## Automatically add users missing from the organization
+ADD_MEMBER=false
+## Automatically remove users from the organisation that are not part of a team
+REMOVE_ORG_MEMBERS_WITHOUT_TEAM=false
+
+####################
+## Flask Settings ##
+####################
+## Default: app
+FLASK_APP=app
+## Default: production
+FLASK_ENV=development
+## Default: 5000
+FLASK_RUN_PORT=5000
+## Default: 127.0.0.1
+FLASK_RUN_HOST=0.0.0.0
diff --git a/Pipfile b/Pipfile
index d10a323..3c30c6b 100644
--- a/Pipfile
+++ b/Pipfile
@@ -33,6 +33,7 @@ setuptools = "*"
 cryptography = "*"
 werkzeug = "*"
 importlib-metadata = "*"
+python-keycloak = "*"
 
 [pipenv]
 allow_prereleases = false
diff --git a/Pipfile.lock b/Pipfile.lock
index 55d5d56..d913403 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "8a037c60558ff243346d1306715a6de10d66e3d28785f6ff42f2c1aa878378a2"
+            "sha256": "cd79f1e1fc41ec9bc37e741d579d315fa08be75a9ad5d099881b55fe041ca659"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -168,12 +168,12 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082",
-                "sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9"
+                "sha256:0569859f95fc761b18b45ef421b1290a0f65f147e92a1e5eb3e635f9a5e4e66f",
+                "sha256:dc383c07b76109f368f6106eee2b593b04a011ea4d55f652c6ca24a754d1cdd1"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.6'",
-            "version": "==2023.7.22"
+            "version": "==2024.2.2"
         },
         "cffi": {
             "hashes": [
@@ -230,104 +230,104 @@
                 "sha256:fa3a0128b152627161ce47201262d3140edb5a5c3da88d73a1b790a959126956",
                 "sha256:fcc8eb6d5902bb1cf6dc4f187ee3ea80a1eba0a89aba40a5cb20a5087d961357"
             ],
-            "markers": "python_version >= '3.8'",
+            "markers": "platform_python_implementation != 'PyPy'",
             "version": "==1.16.0"
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:02673e456dc5ab13659f85196c534dc596d4ef260e4d86e856c3b2773ce09843",
-                "sha256:02af06682e3590ab952599fbadac535ede5d60d78848e555aa58d0c0abbde786",
-                "sha256:03680bb39035fbcffe828eae9c3f8afc0428c91d38e7d61aa992ef7a59fb120e",
-                "sha256:0570d21da019941634a531444364f2482e8db0b3425fcd5ac0c36565a64142c8",
-                "sha256:09c77f964f351a7369cc343911e0df63e762e42bac24cd7d18525961c81754f4",
-                "sha256:0d3d5b7db9ed8a2b11a774db2bbea7ba1884430a205dbd54a32d61d7c2a190fa",
-                "sha256:1063da2c85b95f2d1a430f1c33b55c9c17ffaf5e612e10aeaad641c55a9e2b9d",
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+                "sha256:80402cd6ee291dcb72644d6eac93785fe2c8b9cb30893c1af5b8fdd753b9d40f",
+                "sha256:8465322196c8b4d7ab6d1e049e4c5cb460d0394da4a27d23cc242fbf0034b6b5",
+                "sha256:86216b5cee4b06df986d214f664305142d9c76df9b6512be2738aa72a2048f99",
+                "sha256:87d1351268731db79e0f8e745d92493ee2841c974128ef629dc518b937d9194c",
+                "sha256:8bdb58ff7ba23002a4c5808d608e4e6c687175724f54a5dade5fa8c67b604e4d",
+                "sha256:8c622a5fe39a48f78944a87d4fb8a53ee07344641b0562c540d840748571b811",
+                "sha256:8d756e44e94489e49571086ef83b2bb8ce311e730092d2c34ca8f7d925cb20aa",
+                "sha256:8f4a014bc36d3c57402e2977dada34f9c12300af536839dc38c0beab8878f38a",
+                "sha256:9063e24fdb1e498ab71cb7419e24622516c4a04476b17a2dab57e8baa30d6e03",
+                "sha256:90d558489962fd4918143277a773316e56c72da56ec7aa3dc3dbbe20fdfed15b",
+                "sha256:923c0c831b7cfcb071580d3f46c4baf50f174be571576556269530f4bbd79d04",
+                "sha256:95f2a5796329323b8f0512e09dbb7a1860c46a39da62ecb2324f116fa8fdc85c",
+                "sha256:96b02a3dc4381e5494fad39be677abcb5e6634bf7b4fa83a6dd3112607547001",
+                "sha256:9f96df6923e21816da7e0ad3fd47dd8f94b2a5ce594e00677c0013018b813458",
+                "sha256:a10af20b82360ab00827f916a6058451b723b4e65030c5a18577c8b2de5b3389",
+                "sha256:a50aebfa173e157099939b17f18600f72f84eed3049e743b68ad15bd69b6bf99",
+                "sha256:a981a536974bbc7a512cf44ed14938cf01030a99e9b3a06dd59578882f06f985",
+                "sha256:a9a8e9031d613fd2009c182b69c7b2c1ef8239a0efb1df3f7c8da66d5dd3d537",
+                "sha256:ae5f4161f18c61806f411a13b0310bea87f987c7d2ecdbdaad0e94eb2e404238",
+                "sha256:aed38f6e4fb3f5d6bf81bfa990a07806be9d83cf7bacef998ab1a9bd660a581f",
+                "sha256:b01b88d45a6fcb69667cd6d2f7a9aeb4bf53760d7fc536bf679ec94fe9f3ff3d",
+                "sha256:b261ccdec7821281dade748d088bb6e9b69e6d15b30652b74cbbac25e280b796",
+                "sha256:b2b0a0c0517616b6869869f8c581d4eb2dd83a4d79e0ebcb7d373ef9956aeb0a",
+                "sha256:b4a23f61ce87adf89be746c8a8974fe1c823c891d8f86eb218bb957c924bb143",
+                "sha256:bd8f7df7d12c2db9fab40bdd87a7c09b1530128315d047a086fa3ae3435cb3a8",
+                "sha256:beb58fe5cdb101e3a055192ac291b7a21e3b7ef4f67fa1d74e331a7f2124341c",
+                "sha256:c002b4ffc0be611f0d9da932eb0f704fe2602a9a949d1f738e4c34c75b0863d5",
+                "sha256:c083af607d2515612056a31f0a8d9e0fcb5876b7bfc0abad3ecd275bc4ebc2d5",
+                "sha256:c180f51afb394e165eafe4ac2936a14bee3eb10debc9d9e4db8958fe36afe711",
+                "sha256:c235ebd9baae02f1b77bcea61bce332cb4331dc3617d254df3323aa01ab47bd4",
+                "sha256:cd70574b12bb8a4d2aaa0094515df2463cb429d8536cfb6c7ce983246983e5a6",
+                "sha256:d0eccceffcb53201b5bfebb52600a5fb483a20b61da9dbc885f8b103cbe7598c",
+                "sha256:d965bba47ddeec8cd560687584e88cf699fd28f192ceb452d1d7ee807c5597b7",
+                "sha256:db364eca23f876da6f9e16c9da0df51aa4f104a972735574842618b8c6d999d4",
+                "sha256:ddbb2551d7e0102e7252db79ba445cdab71b26640817ab1e3e3648dad515003b",
+                "sha256:deb6be0ac38ece9ba87dea880e438f25ca3eddfac8b002a2ec3d9183a454e8ae",
+                "sha256:e06ed3eb3218bc64786f7db41917d4e686cc4856944f53d5bdf83a6884432e12",
+                "sha256:e27ad930a842b4c5eb8ac0016b0a54f5aebbe679340c26101df33424142c143c",
+                "sha256:e537484df0d8f426ce2afb2d0f8e1c3d0b114b83f8850e5f2fbea0e797bd82ae",
+                "sha256:eb00ed941194665c332bf8e078baf037d6c35d7c4f3102ea2d4f16ca94a26dc8",
+                "sha256:eb6904c354526e758fda7167b33005998fb68c46fbc10e013ca97f21ca5c8887",
+                "sha256:eb8821e09e916165e160797a6c17edda0679379a4be5c716c260e836e122f54b",
+                "sha256:efcb3f6676480691518c177e3b465bcddf57cea040302f9f4e6e191af91174d4",
+                "sha256:f27273b60488abe721a075bcca6d7f3964f9f6f067c8c4c605743023d7d3944f",
+                "sha256:f30c3cb33b24454a82faecaf01b19c18562b1e89558fb6c56de4d9118a032fd5",
+                "sha256:fb69256e180cb6c8a894fee62b3afebae785babc1ee98b81cdf68bbca1987f33",
+                "sha256:fd1abc0d89e30cc4e02e4064dc67fcc51bd941eb395c502aac3ec19fab46b519",
+                "sha256:ff8fa367d09b717b2a17a052544193ad76cd49979c805768879cb63d9ca50561"
             ],
             "markers": "python_full_version >= '3.7.0'",
-            "version": "==3.3.0"
+            "version": "==3.3.2"
         },
         "click": {
             "hashes": [
@@ -339,33 +339,49 @@
         },
         "cryptography": {
             "hashes": [
-                "sha256:004b6ccc95943f6a9ad3142cfabcc769d7ee38a3f60fb0dddbfb431f818c3a67",
-                "sha256:047c4603aeb4bbd8db2756e38f5b8bd7e94318c047cfe4efeb5d715e08b49311",
-                "sha256:0d9409894f495d465fe6fda92cb70e8323e9648af912d5b9141d616df40a87b8",
-                "sha256:23a25c09dfd0d9f28da2352503b23e086f8e78096b9fd585d1d14eca01613e13",
-                "sha256:2ed09183922d66c4ec5fdaa59b4d14e105c084dd0febd27452de8f6f74704143",
-                "sha256:35c00f637cd0b9d5b6c6bd11b6c3359194a8eba9c46d4e875a3660e3b400005f",
-                "sha256:37480760ae08065437e6573d14be973112c9e6dcaf5f11d00147ee74f37a3829",
-                "sha256:3b224890962a2d7b57cf5eeb16ccaafba6083f7b811829f00476309bce2fe0fd",
-                "sha256:5a0f09cefded00e648a127048119f77bc2b2ec61e736660b5789e638f43cc397",
-                "sha256:5b72205a360f3b6176485a333256b9bcd48700fc755fef51c8e7e67c4b63e3ac",
-                "sha256:7e53db173370dea832190870e975a1e09c86a879b613948f09eb49324218c14d",
-                "sha256:7febc3094125fc126a7f6fb1f420d0da639f3f32cb15c8ff0dc3997c4549f51a",
-                "sha256:80907d3faa55dc5434a16579952ac6da800935cd98d14dbd62f6f042c7f5e839",
-                "sha256:86defa8d248c3fa029da68ce61fe735432b047e32179883bdb1e79ed9bb8195e",
-                "sha256:8ac4f9ead4bbd0bc8ab2d318f97d85147167a488be0e08814a37eb2f439d5cf6",
-                "sha256:93530900d14c37a46ce3d6c9e6fd35dbe5f5601bf6b3a5c325c7bffc030344d9",
-                "sha256:9eeb77214afae972a00dee47382d2591abe77bdae166bda672fb1e24702a3860",
-                "sha256:b5f4dfe950ff0479f1f00eda09c18798d4f49b98f4e2006d644b3301682ebdca",
-                "sha256:c3391bd8e6de35f6f1140e50aaeb3e2b3d6a9012536ca23ab0d9c35ec18c8a91",
-                "sha256:c880eba5175f4307129784eca96f4e70b88e57aa3f680aeba3bab0e980b0f37d",
-                "sha256:cecfefa17042941f94ab54f769c8ce0fe14beff2694e9ac684176a2535bf9714",
-                "sha256:e40211b4923ba5a6dc9769eab704bdb3fbb58d56c5b336d30996c24fcf12aadb",
-                "sha256:efc8ad4e6fc4f1752ebfb58aefece8b4e3c4cae940b0994d43649bdfce8d0d4f"
+                "sha256:02c0eee2d7133bdbbc5e24441258d5d2244beb31da5ed19fbb80315f4bbbff55",
+                "sha256:0d563795db98b4cd57742a78a288cdbdc9daedac29f2239793071fe114f13785",
+                "sha256:16268d46086bb8ad5bf0a2b5544d8a9ed87a0e33f5e77dd3c3301e63d941a83b",
+                "sha256:1a58839984d9cb34c855197043eaae2c187d930ca6d644612843b4fe8513c886",
+                "sha256:2954fccea107026512b15afb4aa664a5640cd0af630e2ee3962f2602693f0c82",
+                "sha256:2e47577f9b18723fa294b0ea9a17d5e53a227867a0a4904a1a076d1646d45ca1",
+                "sha256:31adb7d06fe4383226c3e963471f6837742889b3c4caa55aac20ad951bc8ffda",
+                "sha256:3577d029bc3f4827dd5bf8bf7710cac13527b470bbf1820a3f394adb38ed7d5f",
+                "sha256:36017400817987670037fbb0324d71489b6ead6231c9604f8fc1f7d008087c68",
+                "sha256:362e7197754c231797ec45ee081f3088a27a47c6c01eff2ac83f60f85a50fe60",
+                "sha256:3de9a45d3b2b7d8088c3fbf1ed4395dfeff79d07842217b38df14ef09ce1d8d7",
+                "sha256:4f698edacf9c9e0371112792558d2f705b5645076cc0aaae02f816a0171770fd",
+                "sha256:5482e789294854c28237bba77c4c83be698be740e31a3ae5e879ee5444166582",
+                "sha256:5e44507bf8d14b36b8389b226665d597bc0f18ea035d75b4e53c7b1ea84583cc",
+                "sha256:779245e13b9a6638df14641d029add5dc17edbef6ec915688f3acb9e720a5858",
+                "sha256:789caea816c6704f63f6241a519bfa347f72fbd67ba28d04636b7c6b7da94b0b",
+                "sha256:7f8b25fa616d8b846aef64b15c606bb0828dbc35faf90566eb139aa9cff67af2",
+                "sha256:8cb8ce7c3347fcf9446f201dc30e2d5a3c898d009126010cbd1f443f28b52678",
+                "sha256:93a3209f6bb2b33e725ed08ee0991b92976dfdcf4e8b38646540674fc7508e13",
+                "sha256:a3a5ac8b56fe37f3125e5b72b61dcde43283e5370827f5233893d461b7360cd4",
+                "sha256:a47787a5e3649008a1102d3df55424e86606c9bae6fb77ac59afe06d234605f8",
+                "sha256:a79165431551042cc9d1d90e6145d5d0d3ab0f2d66326c201d9b0e7f5bf43604",
+                "sha256:a987f840718078212fdf4504d0fd4c6effe34a7e4740378e59d47696e8dfb477",
+                "sha256:a9bc127cdc4ecf87a5ea22a2556cab6c7eda2923f84e4f3cc588e8470ce4e42e",
+                "sha256:bd13b5e9b543532453de08bcdc3cc7cebec6f9883e886fd20a92f26940fd3e7a",
+                "sha256:c65f96dad14f8528a447414125e1fc8feb2ad5a272b8f68477abbcc1ea7d94b9",
+                "sha256:d8e3098721b84392ee45af2dd554c947c32cc52f862b6a3ae982dbb90f577f14",
+                "sha256:e6b79d0adb01aae87e8a44c2b64bc3f3fe59515280e00fb6d57a7267a2583cda",
+                "sha256:e6b8f1881dac458c34778d0a424ae5769de30544fc678eac51c1c8bb2183e9da",
+                "sha256:e9b2a6309f14c0497f348d08a065d52f3020656f675819fc405fb63bbcd26562",
+                "sha256:ecbfbc00bf55888edda9868a4cf927205de8499e7fabe6c050322298382953f2",
+                "sha256:efd0bf5205240182e0f13bcaea41be4fdf5c22c5129fc7ced4a0282ac86998c9"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.7'",
-            "version": "==41.0.4"
+            "version": "==42.0.7"
+        },
+        "deprecation": {
+            "hashes": [
+                "sha256:72b3bde64e5d778694b0cf68178aed03d15e15477116add3fb773e581f9518ff",
+                "sha256:a10811591210e1fb0e768a8c25517cabeabcba6f0bf96564f8ff45189f90b14a"
+            ],
+            "version": "==2.1.0"
         },
         "ecdsa": {
             "hashes": [
@@ -584,11 +600,11 @@
         },
         "idna": {
             "hashes": [
-                "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca",
-                "sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f"
+                "sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc",
+                "sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==3.6"
+            "version": "==3.7"
         },
         "importlib-metadata": {
             "hashes": [
@@ -807,6 +823,14 @@
             "markers": "python_version >= '3.7'",
             "version": "==3.1.6"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:2ddfb553fdf02fb784c234c7ba6ccc288296ceabec964ad2eae3777778130bc5",
+                "sha256:eb82c5e3e56209074766e6885bb04b8c38a0c015d0a30036ebe7ece34c9989e9"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==24.0"
+        },
         "protobuf": {
             "hashes": [
                 "sha256:02212557a76cd99574775a81fefeba8738d0f668d6abd0c6b1d3adcc75503dbe",
@@ -844,10 +868,11 @@
         },
         "pycparser": {
             "hashes": [
-                "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9",
-                "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"
+                "sha256:491c8be9c040f5390f5bf44a5b07752bd07f56edf992381b05c701439eec10f6",
+                "sha256:c3702b6d3dd8c7abc1afa565d7e63d53a1d0bd86cdc24edd75470f4de499cfcc"
             ],
-            "version": "==2.21"
+            "markers": "python_version >= '3.8'",
+            "version": "==2.22"
         },
         "pycryptodomex": {
             "hashes": [
@@ -939,6 +964,15 @@
             ],
             "version": "==3.3.0"
         },
+        "python-keycloak": {
+            "hashes": [
+                "sha256:4c2cd580ded92326b74a376fe453519b3a6db019803032cae26a4b9099e1afd0",
+                "sha256:ce6a33af5840469e71090b8f556b67488561c723693f3581396ed088bce0665a"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.8' and python_version < '4.0'",
+            "version": "==3.9.0"
+        },
         "pytz": {
             "hashes": [
                 "sha256:7b4fddbeb94a1eba4b557da24f19fdf9db575192544270a9101d8509f9f43d7b",
@@ -1019,6 +1053,14 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.3.1"
         },
+        "requests-toolbelt": {
+            "hashes": [
+                "sha256:7681a0a3d047012b5bdc0ee37d7f8f07ebe76ab08caeccfc3921ce23c88d5bc6",
+                "sha256:cccfdd665f0a24fcf4726e690f65639d272bb0637b9b92dfd91a5568ccf6bd06"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.0.0"
+        },
         "rsa": {
             "hashes": [
                 "sha256:90260d9058e514786967344d0ef75fa8727eed8a7d2e43ce9f4bcf1b536174f7",
@@ -1073,7 +1115,6 @@
                 "sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07",
                 "sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0"
             ],
-            "index": "pypi",
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
             "version": "==1.26.18"
         },
diff --git a/README.md b/README.md
index 39d179f..190db7d 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ It supports both GitHub.com, GitHub Enterprise Server (GHES) and GitHub, but it
 - Okta
 - OneLogin
 - Google Workspace
+- Keycloak
 
 ## Features
 This utility provides the following functionality:
@@ -73,6 +74,10 @@ This app requires the following Azure permissions:
 - `GroupMember.Read.All`
 - `User.Read.All`
 
+#### Keycloak Permissions
+If you have `ADMIN_FINE_GRAINED_AUTHZ` enabled, you only need the following permission for the user realm:
+- `view-users`
+
 ## Getting Started
 To get started, ensure that you are using **Python 3.9** (or update your `Pipfile` to the version you're running, 3.4+). The following additional libraries are required:
 
@@ -86,6 +91,7 @@ To get started, ensure that you are using **Python 3.9** (or update your `Pipfil
 - [ ] asyncio
 - [ ] okta
 - [ ] onelogin
+- [ ] python-keycloak
 
 Install the required libraries.
 
@@ -181,6 +187,15 @@ OKTA_SCOPES='okta.users.read okta.groups.read'
 OKTA_PRIVATE_KEY='{"kty": "RSA", ...}'
 ```
 
+### Sample `.env` for Keycloak
+```env
+KEYCLOAK_USERNAME=api-account
+KEYCLOAK_PASSWORD=ExamplePassword
+KEYCLOAK_REALM=ExampleCorp
+KEYCLOAK_ADMIN_REALM=master
+KEYCLOAK_USE_GITHUB_IDP=true
+```
+
 ### Sample `.env` for OneLogin
 ```env
 ONELOGIN_CLIENT_ID='asdafsflkjlk13q33433445wee'
diff --git a/githubapp/__init__.py b/githubapp/__init__.py
index a4006dd..84d9de9 100644
--- a/githubapp/__init__.py
+++ b/githubapp/__init__.py
@@ -13,6 +13,8 @@
     from .onelogin import OneLogin as DirectoryClient
 elif os.environ.get("USER_DIRECTORY", "LDAP").upper() == "GOOGLE_WORKSPACE":
     from .googleworkspace import GoogleWorkspaceClient as DirectoryClient
+elif os.environ.get("USER_DIRECTORY", "LDAP").upper() == "KEYCLOAK":
+    from .keycloak import Keycloak as DirectoryClient
 from .version import __version__
 
 __all__ = ["GitHubApp", "DirectoryClient"]
diff --git a/githubapp/keycloak.py b/githubapp/keycloak.py
new file mode 100644
index 0000000..85dbfb4
--- /dev/null
+++ b/githubapp/keycloak.py
@@ -0,0 +1,137 @@
+import asyncio
+import collections
+import os
+import logging
+import re
+from keycloak import KeycloakAdmin
+
+
+LOG = logging.getLogger(__name__)
+
+
+class Keycloak:
+    def __init__(self):
+        if not os.environ.get("KEYCLOAK_SERVER_URL", None):
+            raise Exception("KEYCLOAK_SERVER_URL not defined")
+
+        if not os.environ.get("KEYCLOAK_USERNAME", None):
+            raise Exception("KEYCLOAK_USERNAME not defined")
+
+        if not os.environ.get("KEYCLOAK_PASSWORD", None):
+            raise Exception("KEYCLOAK_PASSWORD not defined")
+
+        if not os.environ.get("KEYCLOAK_REALM"):
+            os.environ["KEYCLOAK_REALM"] = "master"
+        
+        if not os.environ.get("KEYCLOAK_ADMIN_REALM"):
+            os.environ["KEYCLOAK_ADMIN_REALM"] = os.environ.get("KEYCLOAK_REALM")
+
+        self.UseGithubIDP = os.environ.get("KEYCLOAK_USE_GITHUB_IDP", "true") == "true"
+
+        self.client = KeycloakAdmin(
+            server_url=os.environ["KEYCLOAK_SERVER_URL"],
+            username=os.environ["KEYCLOAK_USERNAME"],
+            password=os.environ["KEYCLOAK_PASSWORD"],
+            realm_name=os.environ["KEYCLOAK_REALM"],
+            user_realm_name=os.environ["KEYCLOAK_ADMIN_REALM"]
+        )
+
+    def get_group_members(self, group_name: str = None):
+        """
+        Get a list of users that are in a group in Keycloak
+
+        :param group_name: Group name to look up
+        :type group_name: str
+
+        :return member_list: A list of dictionaries containing usernames and emails
+        :rtype member_list: list
+        """
+        member_list = []
+
+        def get_group_id(client: KeycloakAdmin = None):
+            """
+            Get the UUID of the provided group from Keycloak
+
+            :param client: A KeycloakAdmin client
+
+            :return: The group's UUID in Keycloak
+            """
+
+            group = client.get_groups(query={"search": group_name, "briefRepresentation": "true", "exact": "true"})
+            if not group:
+                raise Exception(f"Cannot find group {group_name} in Keycloak")
+            else:
+                return group[0]["id"]
+
+        def get_members(client: KeycloakAdmin = None, group_id: str = None):
+            """
+            Get the users that are in this group
+
+            :param client: A KeycloakAdmin client
+            :param group_id: The group's UUID in Keycloak
+
+            :return: A list containing all users in the group
+            """
+            # Keycloak paginates the response when grabbing the list of members
+            # The response doesn't contain any info on the next page either
+            # Therefore, we'll need to iterate over the pages until the returned
+            # list is smaller than the provided page size
+            page_start = 0
+            page_size = 100
+            members = []
+            group_members = client.get_group_members(
+                group_id=group_id,
+                query={"first": page_start, "max": page_size}
+            )
+            members += group_members
+            while len(group_members) == page_size:
+                page_start += page_size
+                group_members = client.get_group_members(
+                    group_id=group_id,
+                    query={"first": page_start, "max": page_size}
+                )
+                members += group_members
+            return members
+
+        def get_github_username(client: KeycloakAdmin = None, user_id: str = None):
+            """
+            Gets the GitHub username from the user's Keycloak profile
+            This only works if the Keycloak realm has GitHub set up
+            as an Identity provider.
+
+            :param client: A KeycloakAdmin client
+            :param user_id: The user's UUID in Keycloak
+
+            :return: The user's GitHub username
+            """
+            profile = client.get_user(user_id=user_id)
+            github_username = None
+            for provider in profile["federatedIdentities"]:
+                if provider["identityProvider"] == "github":
+                    github_username = provider["userName"]
+            if not github_username:
+                raise Exception("Cannot find Github username")
+            return github_username
+
+        gid = get_group_id(client=self.client)
+        users: collections.Iterable = get_members(client=self.client, group_id=gid)
+        for user in users:
+            try:
+                if self.UseGithubIDP:
+                    username = get_github_username(client=self.client, user_id=user["id"])
+                else:
+                    username = user["username"]
+                    if not username:
+                        raise Exception("Unable to find username in profile")
+                    if "EMU_SHORTCODE" in os.environ:
+                        username = username + "_" + os.environ["EMU_SHORTCODE"]
+                member_list.append(
+                    {
+                        "username": username,
+                        "email": user["email"]
+                    }
+                )
+            except Exception as e:
+                user_info = f'{user["username"]} ({user["email"]})'
+                print(f"User {user_info}: {e}")
+        return member_list