Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
- anns
- nearest-neighbor-search
- faiss
- vector-search
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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
CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.
ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.
- go
- golang
- search
- searchengine
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
- search-engine
- semantic-search
- semantic-search-engine
- vector-search
JuiceFS is a distributed POSIX file system built on top of Redis and S3.
Infrastructure orchestration from local to your cloud
- go
- backend
- microservices
- encore
A truly Open Source MongoDB alternative
- mongodb
- mongo
- mongodb-database
- mongo-db
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.
The most popular Kubernetes Operator for PostgreSQL.
The Open Source Firebase Alternative with GraphQL.
Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data
- zanzibar
- permissions
- database
- distributed-systems
PostgreSQL cloud native High Availability and more.
- postgresql
- high-availability
- golang
- kubernetes
Instant REST and MCP APIs for PostgreSQL and MySQL, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5
Self-hostable workflow orchestrator for teams whose main work isn't orchestration. Declarative YAML over your scripts, SSH commands, containers, etc; keep workflows separate from business logic. One binary, no database, runs on limited H/W resources. Alternative to Airflow / Cron / Job Scheduler.
- cron
- workflow-engine
- workflow-scheduler
- workflow-orchestration
Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage
- etl
- sql
- bigquery
- cloud-native
One governed graph for AI agents — GraphQL + MCP over your databases, files, APIs, and code
LinDB is a scalable, high performance, high availability distributed time series database.
- monitoring
- metrics
- high-performance
- distributed-database
Embedded Go Database, the fast alternative to SQLite, gorm, etc.
go-doudou（doudou pronounce /dəudəu/）is OpenAPI 3.0 (for REST) spec and Protobuf v3 (for grpc) based lightweight microservice framework. It supports monolith service application as well.
- golang
- microservice
- apollo
- cloud-native
Embeddable and distributed in-memory alternative to Redis.
- cluster
- database
- distributed
- memory
Self-hosted monitoring for Docker, Kubernetes and uptime. Single Go binary, no agent config, live alerts. Drop a container, your stack is monitored.
database gateway for building data-driven applications
- database
- gateway
- postgresql
- proxy
Cloud-native continuous backup for PostgreSQL - WAL/base-backup streaming, compression, encryption, retention, and monitoring in a single binary.