A complete personal knowledge system. Ready from day one.
Program hub for the Onetime Suite — 50 pay-once SaaS replacements: roadmap, shared build spec, and complete build plans so any agent can resume the program.
Self-hosted dynamic QR codes — edit destinations without reprinting, scan analytics, styled dots + logo, vCard/WiFi, CSV batch. QR Tiger alternative, pay once.
Self-hosted OG/social image generator — template editor with variables + render API. Bannerbear alternative: $39 once vs $49/mo. Desktop app or VPS.
Self-hosted invoicing — clients, PDF invoices, recurring billing, public pay links. Desktop app first, VPS optional. FreshBooks alternative, pay once.
Self-hosted branded link shortener + click analytics, QR codes, CSV import/export. Desktop app or $5 VPS. Bitly alternative — pay once, use your own domain.
Desktop video downloader & clipper GUI (yt-dlp) — format picker, queue, trim, MP3 extract, subtitles, batch. For backing up your own content. Pay once.
Self-hosted license key server — ed25519-signed keys, seat-limited activation, offline validation snippets, signed expiring downloads, webhooks. Keep Gumroad's cut. Pay once.
Curated list of pay-once (no-subscription) iPhone & iPad apps
Self-hosted webhook inspector — capture any request, pretty JSON, replay, forwarding, copy-as-curl, ring-buffer retention. RequestBin alternative you own. Pay once.
Self-hosted RSS reader — OPML import/export, conditional GET polling, full-text extraction, FTS5 search, keyboard-first 3-pane UI. Feedly alternative: $24 once vs $96/yr.
Local-first markdown notes — plain .md files you own, wikilinks + backlinks, tags, full-text search, daily notes, global quick capture. No subscription, no lock-in.
Self-hosted expense tracker — receipt OCR (100% local tesseract), budgets, multi-currency, recurring, CSV/PDF reports. Expensify alternative, pay once.
Self-hosted podcast hosting — Apple/Spotify-valid RSS, chapters, embeddable player, HTTP-Range audio, unique download stats. Transistor alternative: $39 once vs $228/yr.
Desktop Pomodoro + focus app — tick-driven timer, always-on-top mini window, procedural ambient noise (no audio files), daily stats. Pay once.
Self-hosted waitlist + referral system — verified signups, move-up-the-list referrals, broadcasts, anti-spam, embed widget. LaunchList alternative: $29 once vs $29/mo.
Self-hosted comment widget — shadow-DOM embed, threading, votes, moderation queue, spam protection, reply emails, Disqus import. Hyvor alternative, pay once.
Self-hosted form builder + submissions inbox — Typeform-style or classic forms, file uploads, CSV export, spam protection. Desktop app or $5 VPS. Pay once.
Self-hosted database backup manager — Postgres/MySQL/Mongo/SQLite dumps, gzip + AES-256-GCM encryption, S3/FTP destinations, retention pruning, restore helper, failure alerts. SimpleBackups alternative, pay once.
Self-hosted uptime monitor + public status page — HTTP checks, incidents, email/webhook alerts. Runs as desktop app or on a $5 VPS. UptimeRobot alternative, pay once.
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