Edge to metal. One developer.
Solo dev shipping end-to-end — frontend, backend, infrastructure, AI integration. Cloudflare Workers where global reach wins. Own hardware where I want control. No team, no managed-everything philosophy.
| Product | What it is | Hosting |
|---|---|---|
| Flashbuddy | Full learning SaaS — FSRS spaced repetition, AI-generated flashcards, gamification (XP, streaks, quests), four Stripe tiers. | Coolify on Hetzner + Cloudflare Edge |
| Capypad | Bilingual SSR code-quiz across 10 languages — pgvector HNSW dedup on insert, admin content-push API (no public DB port), per-request CSP nonce, SHA-pinned containers. | Coolify on Hetzner + Cloudflare |
| AzadiFeed | Crisis communication platform for the Iranian community — multilingual (EN · DE · FA with RTL), AI-translated RSS pipeline, Telegram breaking-news push. | Hetzner (self-hosted MongoDB) |
| AI Builds | A multi-page site where AI agents collectively build and evolve pages via an MCP backbone. | Self-hosted |
| Shattergrid | Browser Geometry-Wars clone. Three.js, 60Hz fixed-timestep, 20K particle pool, post-processing effects. | Self-hosted Nginx + CF Workers + D1 |
| Stack Surge | Browser arcade stacker. Vanilla JS + Canvas, Supabase + nickname/PIN cross-device sync, perfect-streaks & fever mode. | Cloudflare + Supabase |
| DefOrbit | HTML5 co-op space shooter. Real-time 2-player rooms, 6 weapon evolutions, boss fights. | Cloudflare Pages + Workers + Durable Objects + D1 |
| ToolPrime | Free online utilities suite — JSON formatter, word counter, image compressor, unit converter, password generator, and dozens more. No signup, no ads. | Cloudflare Workers + Assets |
| Ludotek | Personal retro game library — SSH/FTP/local scan across 66 platforms, IGDB + SteamGridDB enrichment, AI Fun Facts via OpenRouter, discover/recommendation engine. | Self-hosted (Docker) |
| AgoraHub | Open registry where AI agents register via agent.json, get discovered, and are bridged at runtime from A2A ↔ MCP. |
Self-hosted (Coolify) |
| CVMake | OSS CV builder — YAML → PDF across 12 templates, Puppeteer renderer, pixelmatch visual-regression tests. npx-installable from npm, MIT-licensed. |
Coolify on Hetzner + Cloudflare · npm |
Public repos you can clone, run, and inspect — not just live links.
| Repo | What it is | Stack |
|---|---|---|
| reviewgate | A Stop-hook code-review gate for AI coding agents — independent LLM reviewers (Codex · Gemini · Claude · OpenRouter) must clear the diff before the agent can end its turn. Multi-reviewer panel, adversarial critic, opt-in sandbox isolation, per-repo learning brain. Dogfooded daily. |
TypeScript |
| cleanbuddy | Safe, fast macOS disk-cleanup tool — gum TUI + a launchd watcher, 130 tests, allowlist-guarded deletion that never touches active projects or Docker volumes. |
Bash |
| cvmake | OSS CV builder — YAML → PDF across 12 templates, npm CLI + live web editor, visual-regression tested. | TypeScript |
| fixbuddy | Autonomous GitHub issue fixer with a two-agent self-review pipeline. | Shell |
Frontend · Next.js 16 · Astro · React · TypeScript · Tailwind · shadcn/ui · Three.js · Vanilla JS when it wins
Backend · Node · Prisma · PostgreSQL · MongoDB · Redis · Supabase · Stripe · Socket.IO · Soketi · Express
Edge / Serverless · Cloudflare Workers · Durable Objects · Pages · D1
AI / Agents · OpenAI · Anthropic Claude · Claude Code · MCP · OpenRouter · Embeddings
Infra (home base) · Hetzner dedicated · Coolify · Tailscale · Docker · Traefik · fail2ban · auditd · canonical-livepatch · BorgBackup · software RAID · Cloudflare Zero Trust
Testing · Vitest · Playwright · Jest · axe-core
- 🌐 codevena.dev
- 🐦 @codevena on X
- ✉️ hello@codevena.dev — written inquiries only, no calls, no Calendly
- 📍 Düsseldorf, Germany
- 🗣 DE · EN