Home Projects Hazelcast Hazelcast license, foundation and stars Databases and caches · Apache License 2.0 plus the Hazelcast Community License for some modules (open source) · backed by Hazelcast · 6,627 stars
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Open source Feb 9, 2021
Apache 2.0 to Apache License 2.0 plus the Hazelcast Community License for some modules Hazelcast kept Apache 2.0 as the default but put some modules, synced from Jet, under the Hazelcast Community License.
Latest release No GitHub releases published; the project releases elsewhere (tags or its own site).
More in databases and caches Apache 2.0 115k stars supabase The Postgres development platform. GPL v3 Unverified 81.3k stars netdata The fastest path to AI-powered full stack observability, even for lean teams. RSALv2 or SSPL or AGPL v3 77.2k stars Redis For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine. Apache 2.0 67k stars prometheus The Prometheus monitoring system and time series database. n8n Sustainable Use License 1.0 65.4k stars NocoDB A Free & Self-hostable Airtable Alternative. Apache 2.0 50.8k stars ClickHouse ClickHouse is a real-time analytics database management system. Apache 2.0 40.7k stars tidb TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. BSD 3-Clause 39.5k stars leveldb LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values. Project License Stars Per week Latest release supabase The Postgres development platform. Supabase Apache 2.0 Apache 2.0 115k +646 - netdata UnverifiedThe fastest path to AI-powered full stack observability, even for lean teams. GPL v3 GPL v3 81.3k +88 - Redis For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine. Redis RSALv2 or SSPL or AGPL v3 RSALv2 or SSPL or AGPL v3 changed May 2025 77.2k +122 8.10.2 Sep 17, 2026 prometheus The Prometheus monitoring system and time series database. Apache 2.0 Apache 2.0 67k +125 - NocoDB A Free & Self-hostable Airtable Alternative. NocoDB n8n Sustainable Use License 1.0 n8n Sustainable Use License 1.0 changed Jan 2026 65.4k +58 2026.10.1 Oct 29, 2026 ClickHouse ClickHouse is a real-time analytics database management system. ClickHouse Apache 2.0 Apache 2.0 50.8k +125 v26.9.2.8-stable Sep 22, 2026 tidb TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. Apache 2.0 Apache 2.0 40.7k +22 - leveldb LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values. Google BSD 3-Clause BSD 3-Clause 39.5k +12 -
About and history Repository hazelcast/hazelcast · created Mar 21, 2012 Website hazelcast.com Language Java Foundation None; run by Hazelcast Company Hazelcast · on Companies · on Leaders · on quadrant · on socials GitHub detects NOASSERTION (a custom or multi-license file; the license above is read from the file itself) Stars per week 3 (GitHub weekly snapshots) Weekly snapshots Week of Bar Stars Oct 26, 2026 6,627 Oct 19, 2026 6,623 Oct 12, 2026 6,620 Sep 28, 2026 6,613 Sep 21, 2026 6,613
Changes Stars per week Oct 22, 2026
Gains about 3 stars a week, up from 2. Stars per week Oct 13, 2026
Gains about 2 stars a week, up from 0. Stars per week Oct 3, 2026
Gains about 0 stars a week. Relicensed Sep 25, 2026
Relicensed from Apache 2.0 to Apache License 2.0 plus the Hazelcast Community License for some modules. Tracked Sep 25, 2026
Now tracked, from hazelcast/hazelcast on GitHub.