Grafana
Grafana Labs · Monitoring & observability
Dashboarding and alerting platform that visualizes metrics, logs and traces from Prometheus, SQL databases and dozens of other data sources
353 tools
Grafana Labs · Monitoring & observability
Dashboarding and alerting platform that visualizes metrics, logs and traces from Prometheus, SQL databases and dozens of other data sources
Great Expectations project (open-source stewardship by Fivetran) · Data quality & validation
Python data-quality framework that declares Expectations about datasets, validates them against pandas, Spark or SQL sources and produces Data Docs
gretl developers (Allin Cottrell, Riccardo Lucchetti) · Econometrics & causal inference
Free, GPL-licensed cross-platform econometrics program with a GUI, the hansl scripting language and estimators for time series, panels and limited dependent variables
Groq, Inc. · Model providers & APIs
Low-latency hosted inference API for open-weight models on Groq's LPU hardware, OpenAI-compatible, with speech-to-text, text-to-speech, tool use and batch tiers
Uber Technologies (open-source project) · GIS & mapping
Hexagonal hierarchical geospatial indexing system from Uber with a C core and bindings for Python, JavaScript, Java and SQL engines
Hammerspoon contributors · macOS automation
Open-source macOS automation app that exposes system APIs to a Lua configuration file for hotkeys, window management and event-driven scripts
HashiCorp (an IBM company) · Secrets management
Identity-based secrets manager providing encrypted key-value storage, dynamic database and cloud credentials, PKI and encryption-as-a-service, under the Business Source License
Hetzner Online GmbH · Cloud & hosting providers
German hosting provider known for cost-focused cloud servers, dedicated root servers, Storage Boxes and object storage in Germany, Finland, the United States and Singapore
Homebrew maintainers · macOS system utilities
Community-maintained package manager for macOS and Linux that installs command-line tools (formulae) and desktop apps (casks) from the terminal
Hono project (Yusuke Wada and contributors) · Web frameworks & UI
Small TypeScript web framework built on Web Standard APIs that runs unchanged on Cloudflare Workers, Deno, Bun, Node.js and other JavaScript runtimes
Hoppscotch · API development & tooling
Open-source API client that runs in the browser or as a desktop app, supports REST, GraphQL and realtime protocols, and can be self-hosted for teams
HubSpot, Inc. · CRM & business operations
Cloud CRM platform with marketing, sales, service, content and operations hubs on a shared contact database, with a REST API and app marketplace
Hugging Face · Training & fine-tuning
Hosting platform for open models, datasets and Spaces demo apps built on git repositories and Xet storage, with Inference Providers, Endpoints, Jobs and an open-source Python client and CLI
International Monetary Fund · Open & public data
The IMF's statistical portal for World Economic Outlook, fiscal, balance-of-payments, reserves and price datasets with SDMX 2.1 and 3.0 APIs
Infisical Inc. · Secrets management
Secrets, certificate and privileged-access management platform with an MIT-licensed core, available as a hosted service or self-hosted deployment
Jason Liu and contributors (567 Labs) · Agent frameworks & orchestration
Python library for extracting validated structured data from LLM responses using Pydantic models, with automatic retries, streaming partials and support for many providers
Interactive Brokers LLC · Financial analysis & investing
Programmatic trading and market-data access to Interactive Brokers accounts through the TWS API, the REST-based Web API and FIX
George Nachman (iTerm2 project) · Terminals & shells
Feature-rich terminal emulator for macOS with split panes, profiles, triggers, search, tmux integration and a Python scripting API
JabRef e.V. and contributors · Citation management
Open-source, BibTeX/biblatex-native reference manager for LaTeX users with online fetchers, groups, file linking and editor integration
Google (Chrome DevTools team) · Training & fine-tuning
Python library for NumPy-style array computing with composable transformations (jit, grad, vmap, shard_map) compiled through XLA to CPU, GPU and TPU
OpenJS Foundation · Testing & QA
JavaScript testing framework created at Meta with built-in assertions, mocking, snapshot testing and parallel test execution
Jina AI · Data collection & crawling
Prefix-style API from Jina AI that converts any public URL into LLM-ready Markdown (r.jina.ai) or returns web search results with content (s.jina.ai), with open-source server code
The Julia Project · Programming languages & runtimes
Dynamically typed, JIT-compiled language for numerical and scientific computing that aims to combine high-level syntax with compiled-code speed
pqrs.org (Takayama Fumihiko) · macOS system utilities
Free, public-domain keyboard customizer for macOS that remaps keys and defines complex modifications through JSON rules at the driver level
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