OpenSpec is a lightweight, spec‑driven framework for coding agents and CLIs — universal, open source, and no API keys or MCP required.
OpenAI Codex with Ollama· Ollama Blog
Open models can be used with OpenAI's Codex CLI through Ollama. Codex can read, modify, and execute code in your working directory using models such as gpt-oss:20b, gpt-oss:120b, or other open-weight alternatives.
opengeos/GeoLibre
Lightweight, cloud-native desktop GIS built with Tauri v2, React, TypeScript, and MapLibre GL JS.
Introducing eve
Introducing eve, the open-source agent framework from Vercel for building, running, and scaling agents in production, with durable execution, sandboxed compute, approvals, channels, tracing, and evals built in.
OpenCode Zen | A curated set of reliable optimized models for coding agents
OpenCode - The open source coding agent.
gpt-oss:120b
OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases.
OpenAI Developers on Twitter / X
We’re releasing new Codex features to make it a more effective coding collaborator:- A new IDE extension- Easily move tasks between the cloud and your local environment- Code reviews in GitHub- Revamped Codex CLIPowered by GPT-5 and available through your ChatGPT plan.— OpenAI Developers (@OpenAIDevs) August 27, 2025
Cline - AI Coding, Open Source and Uncompromised
Open-source AI coding agent with Plan/Act modes, MCP integration, and terminal-first workflows. Trusted by 5M+ developers worldwide.
Introducing gpt-oss
We’re releasing gpt-oss-120b and gpt-oss-20b—two state-of-the-art open-weight language models that deliver strong real-world performance at low cost. Available under the flexible Apache 2.0 license, these models outperform similarly sized open models on reasoning tasks, demonstrate strong tool use capabilities, and are optimized for efficient deployment on consumer hardware.
progression.fyi
A collection of open source frameworks for helping designers and engineers to grow at work
An Update on OpenPRoT
OpenAI to acquire Astral
Accelerates Codex growth to power the next generation of Python developer tools
Rails Conf 2012 Keynote: Simplicity Matters by Rich Hickey
I Switched From Claude Code to OpenCode — Here's Why
I tested OpenCode against Claude Code for real development work. Here's what surprised me about the open-source alternative — and what I don't miss.
AFFiNE — Open-Source Knowledge Base Software
AFFiNE is the open-source Notion & Miro alternative — combining docs, whiteboards, databases, and AI in one local-first workspace. Free for teams.
oracle/agent-spec
Open Agent Spec (Agent Spec) is a framework-agnostic declarative language for defining agentic systems. It defines building blocks for standalone agents and structured agentic workflows as well as common ways of composing them into multi-agent systems.