Grav

Fast, file-based CMS with zero installation required

Gravitee

Fast, flexible platform to design, secure, and monitor APIs

Graylog

Free and open log management platform for centralized logging

GreptimeDB

Unified observability database for metrics, logs, and traces

Grimoire

Self-hosted bookmark manager with metadata extraction and tagging

Grist

Modern relational spreadsheet combining database power with spreadsheet flexibility

GrowthBook

Open Source Feature Flagging and A/B Testing Platform

Grype

Fast, comprehensive vulnerability scanner for containers and filesystems

H2O LLM Studio

No-code GUI for fine-tuning large language models effortlessly

Handy

Offline, privacy‑first speech‑to‑text app for all platforms

Hanko

Privacy-first, framework-agnostic authentication and user management platform

HAProxy

High-performance reverse proxy for HTTP and TCP traffic

Haraka

High-performance Node.js SMTP server with modular plugin architecture

Harness

End-to-End DevOps Platform with Git, CI/CD, and Registries

Hashicorp Vault

Secure secrets management with encryption and access control

Hawk Eye

Scan every data source for PII and secrets instantly

Haystack

End-to-end LLM framework for building production-ready RAG applications

Headscale

Self‑hosted Tailscale control server for personal and small‑scale networks

Helicone

Open-source LLM observability and developer platform for AI applications

Helpy

Modern helpdesk platform combining ticketing, knowledgebase, and community forums

Hexabot

Build customizable AI chatbots with multi-channel deployment capabilities

HeyForm

Open-source conversational form builder for engaging surveys and quizzes

highlight.io

Open-source fullstack monitoring with session replay and error tracking

Higress

Cloud-native API gateway with AI and Wasm extensibility