A scalable, distributed, collaborative, document-graph database, for the realtime web

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

A powerful web framework built with a simplified design.

Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed

Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.

The software powering Stoat

A cloud native embedded storage engine built on object storage.

Declare your digital independence

Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

Parseable is an observability datalake built from first principles.

wasmCloud is an open source Cloud Native Computing Foundation (CNCF) project that enables teams to build, manage, and scale polyglot apps across any cloud, K8s, or edge.

Matrix Client-Server SDK for Rust

Compute substrate for AI agents: lightweight enough to live on your laptop, elastic enough to scale into the cloud and unleash unlimited resources.

Tonbo is an embedded database for serverless and edge runtimes.

A flexible, performant and reliable search database without the AI bullshit.

[Acquired by The Guild] The Grafbase GraphQL Federation Gateway

⚒️ The open source dark software factory for expert engineers.

Mount Hugging Face Buckets and repos as local filesystems. No download, no copy, no waiting.

Workplace AI Assistant and Search Platform

Embedded relational database and native Rust data API.

Zero-config, fast `io_uring`-based HTTPS server.

A delicious package manager

Permanent memory for AI agents. Single binary, zero dependencies, MCP native.

OpenData is a collection of open source databases built on a common, object-native storage and infrastructure foundation.

Fluree database library

Engine-agnostic LLM gateway in Rust. Full OpenAI & Anthropic API compatibility across vLLM, TRT-LLM, TokenSpeed, SGLang, OpenAI, Gemini & more. Industry-first gRPC pipeline, KV cache-aware routing, chat history, tokenization caching, Responses API, embeddings, WASM plugins, MCP, and multi-tenant auth.

Lakehouse native graph engine with git-style workflows

language server that bridges the gap between languages, editors, and tooling

Document, columnar, KV, Graph, Vector, Array - The only all-in-one database that you need.

Build a private P2P device network for capability-first services

wasmCloud Application Deployment Manager (wadm) is a Wasm-native orchestrator for managing and scaling declarative wasmCloud applications.

CLI for Stellar developers

Open-source (MIT) GraphQL Federation Router. Built with Rust for maximum performance and robustness.

AI agent runtime for Rust — type-safe state, multi-protocol serving, plugin extensibility.

A portable data substrate for humans and their tools to think together.

A tool to debug unique identifiers (UUID, ULID, Snowflake, etc).

High-performance, DSL-free stream processing

A Package Manager for high velocity software environments, built on spfs.

Cloud-native, durable state for AI agents: WAL+snapshots, watch streams, idempotency, leases, TLS/mTLS, capability tokens, Python/TS SDKs, Helm.

High performance and minimalist SMTP server

Terraphim AI: deterministic AI Assistant

Open-source, S3-native vector and full-text search engine. Fast, cheap, self-hostable.

Uni is a modern, embedded database that combines property graph (OpenCypher), vector search, and columnar storage (Lance) into a single, cohesive engine. It is designed for applications requiring local, fast, and multimodal data access, backed by object storage (S3/GCS) durability.

A native GUI HTTP client written in Rust

KalamDB — a lightweight, real-time, storage-efficient SQL database. Designed for per-user data isolation and scalable performance — ideal for the AI era.

Researching next-gen blockchain architecture (as of 2026) to achieve ultimate scalability in permissionless setting and fully resolve Blockchain Trilemma