Directory

PostgreSQL extension adding vector types, distance operators and HNSW/IVFFlat indexes for similarity search inside the database

Production process manager for Node.js and other long-running programs with cluster mode, log handling, restart policies and boot-time startup scripts

Daemonless, rootless container engine with a Docker-compatible CLI, companion Buildah and Skopeo tools and a Podman Desktop GUI

Open-source object-relational database server with a large extension ecosystem (PostGIS, pgvector, TimescaleDB) and broad SQL coverage

Python workflow orchestration library and server where decorated functions become observable, retryable flows, with Prefect Cloud as hosted option

Pull-based metrics monitoring system and time-series database with the PromQL query language, service discovery and the Alertmanager component

Open-source vector search engine written in Rust with filterable HNSW indexes, sparse and multi-vector support, REST/gRPC APIs and a managed cloud

Algorithmic trading platform built on the open-source LEAN engine, with cloud backtesting, research notebooks and brokerage-connected live trading

Open-source message broker in Erlang supporting AMQP 0-9-1 and 1.0, MQTT, STOMP and Streams, with routing, acknowledgements and quorum queues

Open-source Python framework for distributing tasks, actors and ML workloads across a cluster, with libraries for data processing, training, tuning, serving and reinforcement learning

Command-line program to sync, copy, mount and serve files across dozens of cloud storage providers and protocols, with optional client-side encryption

In-memory key-value data store used as cache, message broker and database, with data structures, Pub/Sub, Streams and, since Redis 8, built-in JSON, search and time-series modules

Channel-based team messaging platform from Salesforce with threads, huddles, canvases, workflow automation and an extensive bot and app API

Salesforce's visual analytics platform: Tableau Desktop authoring (now with a free edition), Tableau Cloud and Server for sharing, and Tableau Next for CRM analytics

WireGuard-based mesh overlay network with a hosted coordination service, identity-provider login, access policies, MagicDNS and features such as Tailscale SSH, Serve and Funnel

Infrastructure-as-code tool that provisions cloud and SaaS resources from HCL configurations through a plan-and-apply workflow, licensed under BSL 1.1

PostgreSQL extension for time-series data adding hypertables, compression and continuous aggregates, from the company now named Tiger Data

Cross-platform task manager from Doist with natural-language scheduling, projects, labels, filters, shared projects and a public REST API

Cloud-native reverse proxy and ingress controller that discovers routes from Docker, Kubernetes and other providers and automates TLS through ACME

Distributed SQL query engine that federates queries across data lakes, warehouses and databases through connectors, formerly PrestoSQL

GPL-licensed in-memory search engine in C++ offering typo-tolerant instant search, faceting, vector and hybrid search, with Typesense Cloud hosting

Open-source framework for fine-tuning and running LLMs with reduced memory, covering LoRA, QLoRA, full fine-tuning and RL, GGUF export, Dynamic quantizations and a local Studio/Desktop UI

Self-hosted uptime monitor with HTTP, TCP, DNS, ping and keyword checks, many notification channels and public status pages

Open-source vector database in Go with pluggable vectorizer modules, hybrid BM25 and vector search, multi-tenancy and a managed cloud