Directory

Commercial API platform for designing, testing, documenting and monitoring HTTP and other APIs through a desktop and web client with cloud-synced workspaces

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

Open-source, local-first CLI and library for evaluating prompts, models, RAG pipelines and agents, with automated red teaming and CI integration

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

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

Static analysis engine that matches code patterns written in the target language's own syntax, with an LGPL community edition and a commercial AppSec platform

Commercial statistical software from StataCorp widely used in economics and social science, with editions BE/SE/MP, a command language, Mata and comprehensive PDF manuals

Open-source backend platform built around a dedicated PostgreSQL database with auto-generated APIs, authentication, file storage, realtime subscriptions and edge functions

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

Web search, extraction, crawling and research API designed for LLM agents, returning concise source content with SDKs, framework integrations and a hosted MCP server

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

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

Markup-based typesetting system with an Apache-2.0 compiler written in Rust and a collaborative web app, positioned as a faster, simpler alternative to LaTeX

Front-end cloud from the makers of Next.js that deploys web applications from git with preview environments, serverless and edge functions and a global CDN

ML experiment tracking, sweeps, artifacts and model registry plus Weave for LLM tracing and evaluation, now sold by CoreWeave within its Forge platform with a free academic tier

Institution-subscribed research data platform from Wharton hosting CRSP, Compustat, TAQ, OptionMetrics and dozens of other vendors' databases with web queries, SQL, SAS, Python and R access

Wolfram Research's proprietary technical computing system built on the Wolfram Language, with notebooks, symbolic and numeric computation, visualization, machine learning and curated data

Web-data company behind Scrapy offering Zyte API for ban-resistant fetching, browser rendering and automatic extraction, plus Scrapy Cloud for hosting spiders