Free and Open Source, Distributed, RESTful Search Engine
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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.
The Prometheus monitoring system and time series database.
- monitoring
- metrics
- alerting
- graphing
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
- automatic-api
- airtable
- no-code
- no-code-database
The open alternative to Salesforce, designed for AI.
- crm
- customer
- graphql
- marketing
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- search-engine
- typo-tolerance
- site-search
- database
Distributed reliable key-value store for the most critical data of a distributed system
- etcd
- raft
- distributed-systems
- kubernetes
Free universal database tool and SQL client
ClickHouse® is a real-time analytics database management system
A platform for community discussion. Free, open, simple.
- discourse
- javascript
- rails
- ruby
The Prisma ORM: write your application in TypeScript with human-readable queries instead of SQL. Host your database on Prisma Postgres and your app on Prisma Compute.
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
- anns
- nearest-neighbor-search
- faiss
- vector-search
DuckDB is a high-performance analytical database system
A library for efficient similarity search and clustering of dense vectors.
TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
- distributed-database
- distributed-transactions
- tidb
- database
Extremely fast Query Engine for DataFrames, written in Rust
- dataframe-library
- dataframe
- dataframes
- rust
The fantastic ORM library for Golang, aims to be developer friendly
- go
- golang
- orm
- web
An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
- metasearch
- search
- python
- searxng
TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.
ORM
- typescript
- orm
- postgresql
- mysql
SeaweedFS is a distributed storage system for object storage (S3), file systems, Iceberg table buckets, and Lance vector buckets, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
- neural-network
- search-engine
- knn-algorithm
- hnsw