Open Source Databases Apps
Find the best open source databases to power your applications. Explore powerful, flexible solutions for data storage, management & retrieval.
Apps in Databases
Language
License
Dragonfly
Databases · Developer Tools · Devops
A modern Redis and Memcached replacement engineered for multi-core servers — delivering 25x more throughput, better cache hit rates, and up to 80% lower memory consumption with full API compatibility.
LanceDB
AI Development · Databases
Open-source, embedded vector database built on the Lance columnar format for fast multimodal search across billions of vectors, backed by Y Combinator (W23).
Memgraph
AI Development · Databases
High-performance in-memory graph database for AI context and real-time analytics
PocketBase
Authentication · Databases · Ecommerce
Open Source realtime backend in 1 file — embedded SQLite, auth, file storage, and admin UI as a single Go binary.
Supabase
Authentication · Databases · Developer Tools
The open-source Postgres development platform that replaces Firebase with authentication, real-time APIs, edge functions, storage, and vector embeddings — all built on PostgreSQL.
Baserow
Databases · No Code Platforms
Open-source no-code platform to build databases, apps, automations, and AI agents — self-hosted or cloud, with full data ownership.
ParadeDB
Analytics · Databases · Search
Born out of Y Combinator's S2023 batch, ParadeDB is a Postgres extension that delivers Elasticsearch-quality BM25 search and real-time analytics without a separate search cluster to manage.
PeerDB
Data Engineering · Databases
Postgres-native ETL that streams change data capture in real time to Snowflake, BigQuery, ClickHouse, S3, and Kafka — up to 10x faster than general-purpose pipelines, managed through a familiar Postgres SQL interface.
SpiceDB
Authentication · Databases · Security
An open source, Google Zanzibar-inspired authorization database that models permissions as relationships and evaluates fine-grained access checks at massive scale with single-digit millisecond latency.
Convex Backend
Databases · Developer Tools
Open-source reactive database that lets developers build live-updating apps with pure TypeScript, strong consistency, and real-time subscriptions—no separate API layer required.
Sonic
Databases · Search
Fast, lightweight, schema-less search backend in Rust — microsecond queries, 30MB RAM, no document storage required.
Fluree DB
Databases
A temporal, verifiable graph database with git-like branching, integrated vector/text/geo search, and RDF/SPARQL/JSON-LD/openCypher support — benchmarked at 10.4x faster than the next database on the full Wikidata dump.
SlateDB
Databases · Developer Tools
Embedded KV store built on object storage with zero replication cost
helix-db
Databases
A graph-vector database built from scratch in Rust that unifies graph traversal, vector search, key-value, and relational storage into a single platform for AI applications.
InsForge
Databases · Developer Tools
The all-in-one, open-source backend platform purpose-built for AI coding agents — giving your agent database, auth, storage, edge functions, a model gateway, and compute to ship full-stack apps end-to-end.
About Databases
Databases are fundamental to nearly all modern software applications, acting as the organized storage for information that powers dynamic functionality. These systems allow developers to store, manage, and retrieve data efficiently, ensuring data integrity and consistency.
Typical features found in open source database solutions include:
- Data Modeling: Tools to define the structure of data, including tables, relationships, and constraints.
- Query Languages: Powerful languages (often based on SQL) for retrieving, inserting, updating, and deleting data.
- Indexing: Mechanisms to speed up data retrieval by creating efficient lookup paths.
- Transaction Management: Ensuring that data operations are reliable, even in the face of errors or concurrent access.
- Security Features: Controlling access to data and protecting it from unauthorized modification or deletion.
- Replication & Backup: Maintaining data availability and resilience through redundancy and recovery options.
Open source databases are critical for a range of applications, including web application backends, data analytics platforms, content management systems, and scientific research. They solve problems related to data persistence, scalability, performance, and reliability. Choosing an open source database offers benefits such as cost savings, community support, flexibility, and the ability to customize the system to specific needs. They allow developers complete control over their data environment.
