I build software and keep it running.
Apps, open-source packages and one-click deploy templates, all made and run by me. Every connection is real: an app is wired only to the packages it actually imports.
Apps 8 Products and client work I run today
Szkoły Jogi
szkolyjogi.pl


The directory of yoga and pilates schools in Poland: class schedules, pass prices, reviews and online sign-up.
… search clicks a day Google Search Console, last 7 days
- Covers
- Yoga and pilates schools across Poland
- Built on
- All 10 packages in this catalog
- Languages
- Polish, English, Ukrainian
Imports zaur-worldsvelte-calendarsvelte-searchsvelte-i18nsvelte-geometrizesvelte-qrsvelte-mediasvelte-schedulersvelte-paymentssvelte-notify
Fixtar
fixtar.plClient work
An online shop for power tools that I built and run for a client: catalogue, checkout, payments and order handling.
- Products
- Synced from BaseLinker
- Payments
- PayU, Przelewy24
- Search
- @nomideusz/svelte-search
- Feeds
- Google Merchant
Imports svelte-search
thebest.travel
thebest.travelA tour marketplace for Cracow: local guides, live availability and online booking with card payments.
- Covers
- Guided tours in Cracow
- Payments
- Stripe
- Languages
- English, Polish
Imports svelte-calendarsvelte-schedulersvelte-searchsvelte-i18nsvelte-qrsvelte-mediasvelte-notifysvelte-payments
One Zaur account Register creates it; Mail and Music sign in with it.
A clean inbox and your own @zaur.app address.
- Server
- Stalwart, self-hosted
- Protocol
- JMAP
- Includes
- Calendar, contacts, files, Meet video calls
- Client
- Installable web app, push notifications, several accounts
- Sign-in
- One Zaur account for Mail, Music, Photos and Bartube
Imports svelte-calendar
Needs a Zaur address. Get one free.
Register
register.zaur.appCreate your own @zaur.app email account.
- Creates
- A real @zaur.app mailbox
- Talks to
- Stalwart admin API
Music
music.zaur.appA private, self-hosted music library and radio powered by Navidrome.
- Server
- Navidrome, self-hosted
- Client
- Installable web app
- Sign-in
- Your Zaur account
Needs a Zaur address. Get one free.
Friendly Festivals
festivals.zaur.appA worldwide directory of friendly, open-minded festivals: ceremony and embodiment gatherings next to boutique music and arts festivals.
- Covers
- Festivals worldwide
- Includes
- Lineups, editions, reviews, organiser claims
Imports zaur-worldsvelte-searchsvelte-i18nsvelte-mediasvelte-notify
Packages 10 Live from npm
svelte-calendar
…svelte-search
…svelte-i18n
…svelte-geometrize
…svelte-qr
…svelte-media
…svelte-scheduler
…Booking and scheduling logic for Svelte 5 — tour slots, pricing, cancellation policies.
… deps …
svelte-payments
…Provider-agnostic payments for the booking platform — Mollie server adapter + Stripe Connect UI.
… deps …
svelte-notify
…simple-web-design
Agent skillAgent skill for auditing, critiquing, and building better websites — grounded in Anthony Hobday's 15 principles of simple web design.
Kino
kino.net.plWhat plays in Polish cinemas today, hour by hour, with the small studio and culture-centre cinemas first.
- Covers
- Cinemas across Poland, small ones first
- Data
- Programmes crawled every 6 hours
Imports svelte-i18nsvelte-notify
Websites 9
I have been making websites since 2000, when I was 17: by hand, from the first HTML to custom CMSes, until AI took over. The proof is this page, which Claude built with me. These are the other sites still online, a mix of client work and experiments.
pikastro.eu
pikastro.eu


Client work
A colourful interior design studio in Kraków, with a custom CMS: the owner edits text and photos right on the live page.
- CMS
- Custom, click-to-edit on the page, with edit history
- Storage
- Netlify Blobs, no database
- Languages
- Polish, English
kurcz.pl



Everything about muscle cramps: causes, first aid and prevention, as fast static pages.
- Built with
- Astro, no JavaScript on article pages
- Covers
- Causes, first aid, prevention guides
- Languages
- Polish, English
wibroakustyka.ai



Client work
Product site for the Graal vibroacoustic wellness chair.
- Explains
- What an acoustic chair is and how vibroacoustics works
- Includes
- News and the Health & Longevity Summit 2026
tutitutu.pl



Client work
Image-first portfolio for an interior architecture studio founded in 1997.
- CMS
- Custom, written by hand before AI: the studio edits its own realisations
- Sections
- Realisations, workshop, publications, references
kruk.live



Experiment
Five mini-apps live on one site: a drawing board, a kanban, pixel art, friends and a property scraper.
- Inside
- Draw, Kanban, Pixels, Friends, Properties
- Mode
- Real-time and collaborative
recycling.kompi.pl



Experiment
Where to hand in e-waste, batteries, oils and tyres, anywhere in Poland.
- Data
- Thousands of collection points, with a page for every city
- Includes
- Interactive map, city pages, a recycling guide
intertechpoland.pl



Client work
Equipment catalogue and industry news for the Polish representative of Picarro and UGT.
- Energy
- Emissions monitoring and reduction, leak detection, pipe replacement
- Science
- CRDS spectroscopy, lysimeters, ecotrons, plant sensors
gabinet-polaczenie.pl


Client work
Acupuncture clinic in Kraków offering treatments that complement conventional care.
- Format
- One page, in Polish and English
- Covers
- Treatments and the therapist
radiobartek.com

Experiment
Internet radio station, self-hosted on AzuraCast.
- Stream
- AzuraCast, self-hosted
- Player
- One page, one button: listen
Railway templates 104
One-click deploys, many with the admin created on first boot and nightly backups to a Railway bucket. New to Railway? Get $20 of credit (a referral link, so I may earn a commission).
AI and agents 10
- T75
Codewhale Codewhale coding agent, git, gh, Node, Python. Browser terminal + SSH.
Deploy Source - T74
AionUi AionUi WebUI: a password-protected cowork app for AI agents with any model
Deploy Source - T73
OpenCode Open-source AI coding agent with a browser UI, free built-in models, a real terminal and SSH.
Deploy Source - T72
Hermes Agent Hermes Agent by Nous Research on the official image: password-protected web dashboard with in-browser chat, the Telegram/Discord/Slack gateway and cron, memory and skills on a volume.
Deploy Source - T67
Langfuse 4 Langfuse v4 (web, worker, ClickHouse, Postgres, Redis) with traces in a Railway bucket and your API keys ready on first boot.
Deploy Source - T61
Laya Laya's open decision model behind TypeSafe's /v1/systemone API, so Jev SDK code runs on your own server.
Deploy Source - T44
Flowise Visual AI agent builder in queue mode — main + worker, Postgres, Redis and bucket storage.
Deploy Source - T35
LobeHub (Lobe Chat) Team AI chat with Postgres, file storage and knowledge base — sign up and go, no config.
Deploy Source - T34
Claude Code Always-on Ubuntu dev box with Claude Code, gh, Node, and Python — browser terminal and SSH, home persists.
Deploy Source - T23
Dify Ten-service AI workflow, agent, and RAG platform with pgvector and isolated code execution.
Deploy Source
Developer and ops 10
- T77
Infisical Infisical secrets manager: env vars, API keys and certificates for your team and apps, with the admin created and public sign-up closed on first boot.
Deploy Source - T76
Windmill Windmill developer platform: turn Python, TypeScript, Bash and SQL scripts into flows, webhooks, cron jobs and internal apps, with a worker and a native worker, and your superadmin created on first boot.
Deploy Source - T71
Dependency-Track 5 OWASP Dependency-Track 5: upload SBOMs from CI and track known vulnerabilities, licenses and policy violations across every project, with the admin set on first boot.
Deploy Source - T29
HyperDX ClickHouse observability — logs, traces, metrics, and session replay in one UI.
Deploy Source - T28
Uptrace OpenTelemetry APM on ClickHouse — traces, logs, metrics, service graph, and alerts.
Deploy Source - T27
SvelteKit + Better Auth Starter SvelteKit 3, Better Auth, Postgres/Drizzle, i18n and email — a base to build on.
Deploy Source - T22
Evolution API + n8n WhatsApp automation stack with workflow orchestration, Postgres, and Redis.
Deploy Source - T21
n8n Queue Mode Scalable n8n with dedicated workers, webhook processing, Redis, and pgvector.
Deploy Source - T17
Appwrite Open-source backend-as-a-service — auth, databases, storage, realtime.
Deploy Source - T10
GoAlert On-call scheduling, escalations, and SMS/voice paging — PagerDuty alternative by Target.
Deploy Source
Business 10
- T70
EspoCRM EspoCRM 10: contacts, accounts, leads, deals and email in one CRM, live updates over WebSocket, and the admin created on first boot.
Deploy Source - T68
Zammad 7 Zammad 7 helpdesk: email, chat and phone tickets in one inbox, full-text search on Elasticsearch, and the admin created on first boot.
Deploy Source - T66
Invoice Ninja 5 Invoice Ninja 5 on MariaDB with PDF rendering, queue worker and scheduler running from the first boot, your admin account created before the site goes public, and nightly backups to a Railway bucket.
Deploy Source - T62
ERPNext 16 ERPNext v16 with realtime updates, background jobs, automatic migrations on upgrade and nightly backups to a Railway bucket.
Deploy Source - T59
Odoo 19 Odoo 19 with prefork workers, nightly backups to a Railway bucket, and a database manager nobody can reach.
Deploy Source - T45
Medusa v2 Headless commerce backend with server + worker, Postgres and Redis — admin user created on first boot.
Deploy Source - T24
Twenty CRM Production-ready open-source CRM with a worker, Redis, Postgres, and S3 file storage.
Deploy Source - T20
Chatwoot Omnichannel customer support with Sidekiq, pgvector, Redis, and S3 attachments.
Deploy Source - T9
Dittofeed Customer engagement journeys with segments, ClickHouse, and Temporal — Customer.io alternative.
Deploy Source - T8
OpenEMR Electronic medical records and practice management — charts, scheduling, billing, portal.
Deploy Source
Work and chat 8
- T81
AFFiNE AFFiNE: the open-source Notion and Miro alternative. Docs, edgeless whiteboards and databases in one workspace, with real-time collaboration, on Postgres with pgvector.
Deploy Source - T80
Fluxer Fluxer: the open-source Discord alternative. Servers, text channels, DMs, roles, file uploads and message search on your own Railway project.
Deploy Source - T79
Rocket.Chat Rocket.Chat team chat: channels, DMs, threads, video calls and integrations, with a self-initiating MongoDB replica set and the admin created on first boot.
Deploy Source - T78
Teable Teable: the open-source Airtable alternative on real Postgres, with grid, kanban, gallery and form views, real-time collaboration and an API.
Deploy Source - T69
Plane Community Plane project tracker: issues, cycles, modules and pages for your team, uploads in a Railway bucket, and the admin created on first boot.
Deploy Source - T65
Moodle 5.2 The current official Moodle 5.2 release on Postgres, installed from the command line with a generated admin password, with cron, upgrades on redeploy and nightly backups to a Railway bucket.
Deploy Source - T26
Stalwart Webmail Offline-capable, white-label JMAP webmail for self-hosted Stalwart servers.
Deploy Source - T25
Stalwart Rust mailbox server on a single volume — JMAP, IMAP, CalDAV, and a web admin.
Deploy Source
Media and community 12
- T64
SUB/WAVE A personal internet radio station: an AI DJ picks tracks from your Navidrome library, talks between them and takes requests, all on one Icecast stream.
Deploy Source - T19
AzuraCast Self-hosted web radio suite — Icecast streaming, playlist automation, live WebDJ.
Deploy Source - T18
MediaCMS Open-source video platform with HLS adaptive streaming and automatic transcoding.
Deploy Source - T16
Invidious Privacy-friendly YouTube frontend with Companion and Postgres included.
Deploy Source - T15
Funkwhale Federated audio platform — stream your library, podcasts, and channels via web or Subsonic apps.
Deploy Source - T14
PeerTube Decentralized video platform — HLS transcoding, RTMP live streaming, ActivityPub federation.
Deploy Source - T13
Chevereto Self-hosted image and video sharing — albums, user accounts, moderation, direct hotlinks.
Deploy Source - T12
Owncast Self-hosted live streaming with chat — point OBS at your own Twitch-style stream page.
Deploy Source - T7
Navidrome Self-hosted music streaming with a drag-and-drop upload panel — works with any Subsonic app.
Deploy Source - T6
Pixelfed Federated photo sharing on ActivityPub — an Instagram alternative with albums and stories.
Deploy Source - T5
Audiobookshelf Audiobook and podcast server — streams to any device with progress sync across all of them.
Deploy Source - T4
TubeArchivist Self-hosted YouTube archive — subscribe to channels, download with yt-dlp, search everything.
Deploy Source
Browsers in the cloud 10
- T58
Mullvad Browser Mullvad Browser in the cloud — Tor-grade anti-fingerprinting without the Tor network.
Deploy Source - T57
Ungoogled Chromium Ungoogled Chromium in the cloud — Chromium without Google services, profile persists.
Deploy Source - T55
LibreWolf LibreWolf, the privacy-hardened Firefox, in the cloud — password-gated, profile persists.
Deploy Source - T53
Vivaldi Desktop Vivaldi in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T50
Opera Desktop Opera in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T33
Google Chrome Desktop Chrome in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T32
Brave Desktop Brave in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T31
Microsoft Edge Desktop Edge in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T30
Firefox Desktop Firefox in the cloud, streamed to any device — password-gated, profile persists.
Deploy Source - T1
Chromium A full desktop browser in the cloud, streamed to any device — sessions and extensions persist.
Deploy Source
Desktop apps in the cloud 7
- T56
FileZilla FileZilla in the cloud — move files between servers over datacenter bandwidth.
Deploy Source - T54
Blender Blender in the cloud — kick off CPU renders and close your laptop.
Deploy Source - T52
Thunderbird Thunderbird in the cloud — one always-on mail client for all your accounts.
Deploy Source - T51
GIMP GIMP in the cloud — edit images from a tablet or a locked-down laptop, files persist.
Deploy Source - T49
LibreOffice Full LibreOffice suite in the cloud — edit Office files from an iPad or Chromebook.
Deploy Source - T48
VSCodium Desktop VSCodium streamed to your browser — extensions and terminals stay alive between visits.
Deploy Source - T46
Obsidian Obsidian desktop in the cloud — an always-on vault with plugins, reachable from any device.
Deploy Source
Linux machines 9
- T47
Linux Terminal (Ubuntu) Ubuntu shell in the browser and over SSH — tmux sessions survive disconnects, home persists.
Deploy Source - T43
Linux Desktop Full Ubuntu XFCE desktop streamed to your browser — sudo, persistent home, password-gated.
Deploy Source - T42
Linux Desktop (KDE Plasma) Ubuntu KDE Plasma desktop streamed to your browser — sudo, persistent home, password-gated.
Deploy Source - T41
Linux Desktop (MATE) Ubuntu MATE desktop streamed to your browser — light, sudo, persistent home, password-gated.
Deploy Source - T40
Linux Desktop (i3) Ubuntu i3 tiling desktop in your browser — 150 MB idle, sudo, persistent home, password-gated.
Deploy Source - T39
Linux Desktop (LXQt) Ubuntu LXQt desktop streamed to your browser — light, sudo, persistent home, password-gated.
Deploy Source - T38
Linux Desktop (Arch) Arch Linux XFCE desktop in your browser — pacman, sudo, persistent home, password-gated.
Deploy Source - T37
Linux Desktop (Debian) Debian KDE Plasma desktop streamed to your browser — sudo, persistent home, password-gated.
Deploy Source - T36
Linux Desktop (Alpine) Alpine KDE Plasma desktop streamed to your browser — sudo, persistent home, password-gated.
Deploy Source
Sites, games and more 28
- T104
Rustrak Rustrak: self-hosted error tracking that speaks the Sentry protocol. Point any Sentry SDK at it by changing the DSN, and get issues, logs, transactions and release health from one small Rust process on SQLite.
Deploy Source - T103
Oryx (SRS Stack) Oryx by the SRS team: stream from OBS over RTMP, play back as HLS/FLV, restream to YouTube, Twitch and others at once, loop videos as a 24/7 virtual live stream, and record to MP4.
Deploy Source - T102
MCSManager MCSManager, the popular multi-user game server panel: install Paper, Fabric, Forge or NeoForge from its app market and run them from a web console with file manager and schedules.
Deploy Source - T101
Opik Opik by Comet: open-source LLM tracing, LLM-as-a-judge evaluation, datasets, experiments and prompt management, on ClickHouse with an embedded Keeper, MySQL, Redis and MinIO, behind basic auth.
Deploy Source - T100
Laminar Laminar: open-source observability and evals for AI agents. OpenTelemetry tracing, evaluations, datasets and a SQL editor over your traces, on ClickHouse and Postgres.
Deploy Source - T99
T3 Code Your always-on cloud agent box: the T3 Code server with Claude Code, Codex and OpenCode preinstalled, paired to the T3 web, desktop and mobile apps.
Deploy Source - T98
Lowcoder Lowcoder: the open-source Retool alternative. Build internal tools, admin panels and dashboards on your databases and APIs with a drag-and-drop editor, on MongoDB and Redis.
Deploy Source - T97
Morphik Morphik: an open-source RAG backend for documents. Ingest PDFs, Office files and text, then search and ask questions over them through a REST API or the Python SDK, with any LiteLLM model.
Deploy Source - T96
Airweave Airweave: the open-source context retrieval layer for AI agents. Syncs Notion, Slack, GitHub, Drive and 50+ more apps into Vespa hybrid search, with Temporal workers and a password-protected gateway.
Deploy Source - T95
Activepieces Activepieces: the open-source Zapier and n8n alternative. Visual flow builder with hundreds of integrations, AI agents and MCP, on Postgres and Redis with a scalable worker service and sandboxed code steps.
Deploy Source - T94
Penpot Penpot: the open-source Figma alternative. Real-time collaborative design, prototyping, components and design tokens, with CSS/SVG inspect for developers, on Postgres and a Railway bucket.
Deploy Source - T93
Cal.com Cal.com: the open-source Calendly alternative. Public booking pages, event types, availability and Google Calendar sync, on your own Postgres.
Deploy Source - T92
Temporal Temporal: the open-source durable execution engine. Server, password-protected Web UI and Postgres with advanced visibility, schema migrations on every deploy.
Deploy Source - T91
Huly Huly: the open-source all-in-one alternative to Linear, Slack and Notion. Issue tracking, team chat, collaborative docs and planning on Postgres, Elasticsearch and a Railway bucket.
Deploy Source - T90
Formbricks Formbricks 6: the open-source Typeform and Qualtrics alternative. Link, website and in-app surveys, NPS and CSAT, with the full v6 stack (Hub, Cube, SpiceDB) and uploads in a Railway bucket.
Deploy Source - T89
Outline Outline: the fast, collaborative team wiki and knowledge base. Ready on first boot: create your workspace and sign in with a passkey, then add SSO or SMTP for teammates.
Deploy Source - T88
RAGFlow RAGFlow: the open-source RAG engine with deep document understanding. Parse PDFs, Word, slides and spreadsheets into knowledge bases, then chat with them with grounded citations, on Elasticsearch, MySQL, MinIO and Redis.
Deploy Source - T87
Documenso Documenso: the open-source DocuSign alternative. Send PDFs for signature and get them back digitally sealed, with the signing certificate and your admin account created on first boot.
Deploy Source - T86
Open WebUI + LiteLLM Open WebUI in front of a LiteLLM gateway: a ChatGPT-style workspace for your team, with models from OpenAI, Anthropic, OpenRouter and 100+ providers, virtual keys and spend tracking, on Postgres.
Deploy Source - T85
Mautic Production Email campaigns, segments and lead scoring, with the cron jobs and queue workers that actually send them.
Deploy Source - T84
Lago Production Lago usage-based billing: meter events, apply plans, credits and coupons, and issue PDF invoices on schedule — the complete stack with worker, clock and PDF renderer, admin seeded and sign-up closed.
Deploy Source - T83
OpenReplay OpenReplay session replay: watch what users did with console, network and performance data alongside, plus funnels, heatmaps and dashboards, with recordings kept on your own Railway volume.
Deploy Source - T82
Inbox Zero Inbox Zero AI email assistant for Gmail and Outlook: plain-English rules that label, archive and draft replies, plus bulk unsubscribe and digests, with your own LLM key, Postgres, Redis and built-in scheduled jobs.
Deploy Source - T63
WordPress Pro WordPress on MariaDB with a Redis object cache, nightly backups to a Railway bucket, and an admin password generated before the site ever goes public.
Deploy Source - T60
Minecraft Server A Paper server players can join minutes after deploy, run from Crafty's web panel, with nightly backups.
Deploy Source - T11
LNbits Bitcoin Lightning wallet and payments API, backed by a self-custodial phoenixd node.
Deploy Source - T3
Baby Buddy Baby tracker for caregivers — feedings, sleep, diapers, and growth on one timeline with charts.
Deploy Source - T2
Cockpit CMS Veteran API-first headless CMS — model collections, singletons, and trees, deliver over REST or GraphQL.
Deploy Source