Free and Open Source, Distributed, RESTful Search Engine
Search engines
Full-text search servers.
Changes in this category (RSS)
Side by side
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| Elasticsearch | 79k | Other | Open core | Yes | Java | v9.5.6 | 2026-11-12 |
| Meilisearch | 60k | Other | Open core | Yes | Rust | v1.56.2 | 2026-11-11 |
| Typesense | 27k | GPL-3.0 | Open source | Yes | C++ | v30.2 | 2026-11-11 |
| Sonic | 21k | MPL-2.0 | Open source | Yes | Rust | v1.10.2 | 2026-11-10 |
| ZincSearch | 18k | Other | Open source | Yes | Go | v1.0.0-beta3 | 2026-09-16 |
| OpenSearch | 14k | Apache-2.0 | Open source | Yes | Java | 3.9.0 | 2026-11-12 |
| Manticore Search | 12k | GPL-3.0 | Open source | Yes | C++ | release-29.9.0 | 2026-11-12 |
| Orama | 11k | Other | Open source | Yes | TypeScript | v3.1.18 | 2026-10-18 |
| ParadeDB | 9.5k | AGPL-3.0 | Open source | Yes | Rust | v0.26.6 | 2026-11-12 |
| Vespa | 7.2k | Apache-2.0 | Open source | Yes | Java | v8.781.11 | 2026-11-12 |
| Apache Lucene | 3.6k | Apache-2.0 | Open source | Yes | Java | releases/lucene/10.6.0 | 2026-11-11 |
| Elastic Cloud on Kubernetes | 2.9k | Other | Source available | Yes | Go | v3.5.0 | 2026-11-11 |
| SeekStorm | 1.9k | Apache-2.0 | Open source | Yes | Rust | v4.0.1 | 2026-11-06 |
| Apache Solr | 1.7k | Apache-2.0 | Open source | Yes | Java | releases/solr/10.1.0 | 2026-11-12 |
| OpenSearch Kubernetes Operator | 589 | Apache-2.0 | Open source | Yes | Go | v3.0.0 | 2026-11-11 |
15 tools
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.
- Language
- Go
- Licence
- Other
- Stars
- 18k
- Latest
- v1.0.0-beta3
- Last push
- 2026-09-16
🔎 Open source distributed and RESTful search engine.
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 14k
- Latest
- 3.9.0
- Last push
- 2026-11-12
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
- Language
- C++
- Licence
- GPL-3.0
- Stars
- 12k
- Latest
- release-29.9.0
- Last push
- 2026-11-12
🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.
- Language
- TypeScript
- Licence
- Other
- Stars
- 11k
- Latest
- v3.1.18
- Last push
- 2026-10-18
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
The AI search platform
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 7.2k
- Latest
- v8.781.11
- Last push
- 2026-11-12
Apache Lucene open-source search software
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 3.6k
- Latest
- releases/lucene/10.6.0
- Last push
- 2026-11-11
Elastic Cloud on Kubernetes
SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.
- Language
- Rust
- Licence
- Apache-2.0
- Stars
- 1.9k
- Latest
- v4.0.1
- Last push
- 2026-11-06
Apache Solr open-source search software
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 1.7k
- Latest
- releases/solr/10.1.0
- Last push
- 2026-11-12
OpenSearch Kubernetes Operator
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 589
- Latest
- v3.0.0
- Last push
- 2026-11-11