Open Source Databases Tools using C
A curated collection of the best free and open source using C.
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Milvus
Distributed vector database for AI applications, built to search billions of embeddings with metadata filtering, hybrid queries and hardware acceleration.
Open Source Alternative to:
Pinecone
High-performance vector database for GenAI applications
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46,004Forks
4,232Last commit
5 days ago
Spacedrive
Cross-device file manager that indexes local disks, clouds and external sources into one searchable library synced directly between your machines.
Open Source Alternative to:
ForkLift
Your personal distributed filesystem
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TDengine
Time series database for IoT, connected cars and industrial sensor fleets, built for high cardinality ingestion at terabyte scale.
Open Source Alternative to:
Amazon Timestream
Time-series database and historian for industrial data
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Turso
In-process SQL database written in Rust, compatible with SQLite and now carrying a Postgres frontend, for embedded workloads.
SQLite-compatible database for scalable multi-tenant applications
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24,201Forks
1,316
Neon Postgres
Serverless Postgres that separates storage from compute, giving stateless database nodes and branchable data for development teams.
Open Source Alternative to:
Amazon Aurora
Serverless Postgres for modern applications
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TimescaleDb
PostgreSQL extension for real-time analytics on time-series and event data, for teams that want speed without leaving Postgres.
Open Source Alternative to:Amazon Timestream
Time-series database built on top of PostgreSQL
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Databend
Rust data warehouse combining analytics, vector search and full-text search for enterprise teams running agents on their own data.
Open Source Alternative to:
Amazon Redshift
Cloud-native data warehouse for lightning-fast analytics
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FalkorDB
A multi-tenant property graph database for teams building knowledge graphs, agent memory and retrieval on Cypher queries.
Open Source Alternative to:
Amazon Neptune
Graph database built on sparse matrices for knowledge graphs and GenAI
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Memgraph
In-memory graph database written in C and C++ that speaks Cypher, built for real-time analytics and AI retrieval over connected data.
Open Source Alternative to:Amazon Neptune
High-performance graph computing for scalable data analysis
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Apache Cloudberry
A massively parallel PostgreSQL-based data warehouse from the original Greenplum developers, built for large-scale analytics and AI workloads.
Open Source Alternative to:Amazon Redshift
Unlock Data's Potential with Open Source Power
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