Codex
How vibe coders and indie builders use Codex: 737 projects built with it and 681 built for it since May 2026.
Projects built with it
737
Share of stated stacks, 4 wks
6.2%
Last 4 weeks vs 8 before
+13%
Add-ons built for it
681
Share of stated stacks, per week
Share rather than counts, so changes in how many posts a subreddit lets through don't show up as trends.
Often used with
- Claude Code 203
- Claude (chat or unspecified) 131
- ChatGPT 97
- Claude API 72
- Cursor 63
- Vercel 52
- React 38
- OpenAI API 37
What's built with it
Latest projects built with Codex
- PublicPin — Lets people report local civic issues with a photo, category, and GPS location on a public map.“I built PublicPin, a free way to put local civic issues on a public map”
- Spec Architect — Guides spec-driven development from proposal to requirements to tasks, has AI coding agents execute the tasks, and verifies results against the spec.“Spec Architect: a ~27 MB Tauri app for spec-driven development with AI agents”
- EnigmaGrid — Runs a volunteer distributed computation that searches for solutions to an unresolved historical Enigma message on users' Windows machines.“EnigmaGrid: an open-source Windows project looking for testers and research reviewers”
- StoreFast — Publishes Microsoft Store app updates in one step, auto-translating release notes and forwarding certification and review alerts.“Looking for 5 Microsoft Store devs to try a tool I built for publishing updates”
- ExitEcho — Detects processes that keep running after an application's window is closed and lets the user terminate them.“I released my first Windows app yesterday. A Reddit comment already led to an update.”
- Deskly — Lets users manage AI coding agents as employees in a 3D office, assigning them tasks in a project folder with approval before commands run.“I built a first-person 3D office where your AI agents are your employees (open source)”
- ParrotVoice — Lets a computer act as a phone's Bluetooth headset so a voice AI can answer and place calls on the user's existing phone number.“I built a way to let AI answer and make calls on my own phone number. Works with any iPhone call app (WhatsApp, WeChat, FaceTime)”
- Agora — Runs a shared chat channel where a human and multiple AI models collaborate on tasks, with web search, code execution, and image generation.“Multi agent collaboration to make a music video about multi agent collaboration”
- Jankcraft — Runs a World of Warcraft private server playable in a browser, with an AI agent harness that controls the game client over a websocket.“Qwen Plays World of Warcraft - Troll Hunter”
- Omnesis — Indexes a person's personal data sources into a self-hosted graph and lets AI agents query it under per-agent access and privacy rules.“I gave ChatGPT access to my entire digital life (emails, health, banking, etc) and built a second brain”
- Chronicle — Runs a fantasy text RPG where an AI game master narrates while the engine enforces world rules, inventory, injuries and travel as database state.“I made the game master of my AI RPG swappable, so your own Claude Code or Codex can run the world”
- Poker Double or Nothing — Lets players play a poker-based double-or-nothing game where they double credits by guessing the next card and winning the gamble phase.“Poker double or nothing, for desktop, android, open source and available on steam”
- Trace UI — Extracts UI components, design tokens and assets from any website and exports them as clean React, Tailwind or HTML code.“Building tool to turn any website into clean usable code and design. Looking for feedback 🩵”
- PR Bunny — Runs a local AI code review of GitHub pull requests and lets you pick which comments get posted as one review.“I made PR Bunny: a local code-review app that uses the AI agent you already pay for”
- Astra — Generates short promotional trailer videos for a game by writing code that renders the animation.“I tried to replicate coding trailers with Astra”
Latest add-ons built for Codex
- GhosttyEXTREME — Shows the live status of multiple coding agent sessions in a terminal, with a file editor that follows agent edits, a repo map, and infrastructure views.“I got tired of not knowing what my Claude Code agents were doing, so I built a terminal that shows them working live”
- Vibe Multiagent — Orchestrates multiple AI coding agents with role separation, safety hooks that block risky commands, and an offline HTML dashboard for monitoring their tasks.“I built an open-source visual Control Room & multi-agent framework for Claude Code, Codex & AGY (Zero pay-per-token API costs + In-process Claude Mods)”
- Token Harness — Installs and connects token-reducing optimizers to coding agents and routes suitable subtasks to cheaper models, shown in a local dashboard.“I open-sourced Token Harness: get more out of your Claude Code / Codex limits (and spend less on API tokens)”
- Talyn — Watches pull requests, sends an agent back to fix failed CI or merge conflicts, and merges PRs once they are green.“I built a tool to handle PRs after coding agents finish”
- Orbtile — Shows local coding sessions on a Logitech keypad and a Mac menu-bar popover so users can see which sessions need attention and read their replies.“I made a keypad view of coding sessions and a Mac popover to read their replies”
- Gigamail — Manages email with an AI agent that drafts replies from a documents folder, schedules appointments, and sends follow-ups only after human approval.“Side project: Gigamail (open source - free)”
- TokenFish — Shows remaining Codex and Claude Code quota and reset times in a small animated desktop widget.“I built a desktop widget for Codex and Claude Code limits. It has little fish.”
- token-tv — Shows Codex and Claude usage limits on a cheap Wi-Fi desk clock display.“I turned a ~$5 AliExpress clock into an AI usage dashboard”
- Updater — Records what coding agents ship, why, tradeoffs, files and expected impact, and makes that history searchable.“I built an open-source shipping memory for coding agents”
- explainroo — Generates explainer videos from a topic by having a coding agent write the script and draw each scene in code, with a local voice.“I built a free tool that lets coding agents make videos”
- cliproxy-rs — Exposes existing Claude, ChatGPT and Gemini subscription accounts as a single local API endpoint for coding tools.“cliproxy-rs - use the Claude, ChatGPT and Gemini accounts you already have in any coding tool through one local endpoint”
- OpenRod — Runs AI coding agents in isolated sandboxes with policy controls for network egress, secrets, and audit logging.“I built an open-source control plane for sandboxing AI coding agents - looking for honest feedback”
- Codex on Crack — Orchestrates coding work across multiple AI models inside Codex, with a visual panel showing runs, reviews, and usage.“I built an orchestration package for using any model in Codex with visual panel to see runs and reviews”
- ADing — Puts multiple coding agents into a shared conversation where a leader agent can coordinate and delegate work.“I built a Mac app to put Claude Code, Codex and Qoder in one group chat”
- drip — Estimates water usage of AI coding agent sessions and displays it live in the terminal status line or a meter beside the agent.“drip - a water meter for AI coding agents that lives in your terminal”
Pitched as alternatives to Codex
- KV22Code — Lets standard ChatGPT Chat read, edit, and run commands on files, terminal, Git, and local dev tools on the user's computer through a local MCP connector.“I built a local MCP that lets standard ChatGPT code on your computer — here’s a benchmark vs Codex”
- OmniRush — Provides an AI agent harness for coding and other work, with inference costs covered for approved users.“Built an AI agent harness and we're giving the inference away (for now)”
- Jive — Runs a terminal coding agent that executes tasks as DAG graphs of tool calls and fast small-model decisions instead of repeated LLM tool-call loops.“Jive - Rethinking the agentic loop with System One Models”
- Routera — Routes AI model requests across providers from a single prepaid balance so users avoid per-subscription usage limits.“I built a cheap AI router because Codex usage limits starting getting really bad”
- Zinley — Runs an AI agent that takes delegated goals across devices and tools, with its own phone number and email for outside contact.“I built Zinley — cowork-style AI with its own number, inbox, and people memory”
- Creativly Agent — Runs an AI agent that works on images, documents, notes and files laid out on a shared canvas.“I’ve been building a creative agent and would love some honest beta feedback”
- I built a Tamagotchi for… — Displays a virtual pet-style companion on a physical device that reacts to a developer's coding activity.“I built a Tamagotchi for developers , need help for videos”
- Nodarama Verbatim — Records code copied from AI chat pages in a Chrome browser and writes it into your project files, so you don't have to paste it manually.“from Vibe to Viable”
- Scanify — Scans a codebase for security issues like exposed keys, open endpoints, and broken auth, and explains each in plain language with a fix.“Finding Security Vulernabilities in your codebase”
- If Codex Was 100% Free With… — Runs as a desktop app where an AI agent reads a project's files, writes and edits code across files, and executes terminal commands.“If Codex Was 100% Free With Ads, Would You Switch?”
- Agent OS — Orchestrates planning, sandboxed coding, build verification, and approval-gated deployment for long-term software projects using AI agents with persistent memory.“I spent a month turning my AI coding prototype into an open-source system that can plan, build, verify, repair and deploy software”
- Nodus — Coordinates multiple specialized AI agents for planning, coding, review and testing, routing each task to a suited model.“Building an AI agent orchestration system called Nodus, looking for people to build it with me”
- MCPRelay — Runs a local MCP gateway that lets an MCP client such as ChatGPT execute actions on the user's computer.“I built a bypass for codex as an MCP gateway because sometimes you just want ChatGPT in YOLO mode on your own computer”
- Lamprey — Provides a desktop coding IDE that runs coding agents on DeepSeek, Gemma, Qwen, and OpenRouter models, with a planner-coder-reviewer agent pipeline, git diff review, and a terminal.“"Claudex" Harness for DeepSeek, Gemma, and Qwen Models”
- Row-Bot — Runs a local desktop AI workbench that routes requests across local and hosted models, with coding, memory, voice, workflows and tool integrations.“Local-first Open Source AI Workbench. Its like codex + claude design.”