Categories

Open Source

1. Portero

Portero is a free, open source Mac app that shows every open port and the process behind it. See what's running, kill processes on busy ports, fix 'address already in use' errors, and block ports with the built-in macOS firewall.

Developer Tools Open Source

139

2. PgDog

PgDog is an open source connection pooler, load balancer, and sharding proxy for PostgreSQL. It's Postgres-compliant, fast, secure and built in the open by a community of database engineers.

Developer Tools Open Source

161

3. CircleChat

CircleChat is a workspace where a team of AI agents does real work. Set a goal: the team breaks it into tasks on a kanban board, claims the work, and reports in channels you can read. An LLM judge verifies every deliverable before a task can close, so you get output instead of chatter. Watch our own agents work in public at live.circlechat.co. Self-host free (MIT license), or we run it for you from $29/mo flat per workspace. Bring your own model keys. We never mark up tokens.

Developer Tools Open Source Productivity

112

4. Dayflow

Getting promoted isn't just about doing great work - it's about remembering and proving it. Can you remember what you accomplished 23 weeks ago? Dayflow is a local-first macOS app that uses your screen data and AI to automatically journal your workday. No timers, no manual logging. Every bug fixed, doc written, and problem solved is captured - ready for standups, 1:1s, and performance reviews. Run any model (local or cloud), keep everything on your Mac. Open source, MIT licensed.

Developer Tools Open Source Productivity

152

5. PMB

PMB gives Claude Code, Cursor, Codex and Zed persistent project memory through MCP. It stores decisions, lessons, goals, recent work, project facts and docs in one SQLite workspace on your disk. No cloud, no API keys, no LLM call on the read path. It is open source, offline-first, inspectable/exportable, with a local dashboard and honest impact tracking so you can see which memories actually help.

Artificial Intelligence Developer Tools Open Source

6. Persona.js

Persona is a lightweight, open-source AI chat UI library that embeds into any website, from modern apps to static HTML. Unlike React-based chat frameworks, Persona is framework-free, backend-agnostic, and WebMCP-native, so your assistant can discover and execute tools exposed by the parent page. Add streaming chat, voice, theming, and interactive copilot experiences without rebuilding your frontend or writing bespoke APIs.

Artificial Intelligence Developer Tools Open Source

189

7. Hush

Hush removes competing voices, background noise, and audio interference from real-time calls so your voice AI agents always hear what matters.

Artificial Intelligence Developer Tools Open Source

170

8. Skybridge

MCP apps are the new website: they're real, interactive apps that run right inside AI assistants like ChatGPT and Claude. The tooling to build them didn't exist, so we built it. Meet Skybridge, the React framework that handles the infrastructure and the dev loop so you can focus on your features: MCP server, view rendering, client compatibility, testing tunnel, and more. Code once, ship everywhere. Already +500K downloads and dozens of apps in the stores!

Artificial Intelligence Developer Tools Open Source

110

9. Mellum by JetBrains

Meet Mellum, a family of fast language models, including a next-generation model for ultra-low-latency and high-performance inference.

Artificial Intelligence Developer Tools Open Source

119

10. Reframe

Reframe is an open-source browser based on Electron for macOS that brings back the look & feel of Safari 1.0, Netscape 4.8, Firefox 1.0 and Internet Explorer 5.0, with a built-in Wayback Mode.

Developer Tools Open Source

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Categories

Open Source

1. Portero

2. PgDog

3. CircleChat

4. Dayflow

5. PMB

6. Persona.js

7. Hush

8. Skybridge

9. Mellum by JetBrains

10. Reframe

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Open Source

1. Portero

2. PgDog

3. CircleChat

4. Dayflow

5. PMB

6. Persona.js

7. Hush

8. Skybridge

9. Mellum by JetBrains

10. Reframe