🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture…

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

⚓ A collection of high-performance JavaScript tools.

JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡

Trigger.dev – build and deploy fully‑managed AI agents and workflows

🧟 The modern PHP app server

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.

Extremely fast Query Engine for DataFrames, written in Rust

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Fancy stream processing made operationally mundane

ToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

The open alternative to Salesforce, designed for AI.

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthr…

Build production-ready applications in TypeScript

🎥 Make videos programmatically with React

dev tools, env vars, task runner

A tiny JavaScript runtime

Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and sel…

Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data 📊

Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.

Apache Superset is a Data Visualization and Data Exploration Platform

Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agen…

QuestDB is a high performance, open-source, time-series database

Federated single-user microblogging software

The Developer Platform for Modern APIs

An idiomatic, lean, fast & safe pure Rust implementation of Git

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

lamdu - towards the next generation IDE