OTPApps

What it does

A Directory of Pay Once Access Lifetime Tools and Software

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  once.tools2024 · ▲473

  Your guide to software you only have to pay for once

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  Pay Once Use ForeverNov 2025 · payonceuseforever.io · ▲71

  Discover lifetime software deals with no recurring fees.

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  Cardlife2016 · ▲350

  All your business (SaaS) subscriptions in one

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  SlimPay2016 · ▲181

  Payments for subscriptions

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  Cardlife SaaS Directory2016 · ▲274

  Search and discover the best SaaS apps

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  Buy Once Software2024 · ▲6

  Software you can buy once and own for a lifetime

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  Browzer▲429

  Put your technical content on autopilot

  Growth · 15d ago · trybrowzer.com

• IM
  I made an open-source laptop from scratch▲3,237

  Hello! I'm Byran. I spent the past ~6 months engineering a laptop from scratch. It's fully open-source on GH at: https://github.com/Hello9999901/laptop

  Dev tools · 2025 · byran.ee

• TI
  Tetris in a PDF▲1,289

  I realized that the PDF engines of modern desktop browsers (PDFium and PDF.js) support JavaScript with enough I/O primitives to make a basic game like Tetris. It was a bit tricky to find a union of features that work in both engines, but in the end it turns out that showing/hiding annotation "fields" works well to make monochrome pixels, and keyboard input can be achieved by typing in a text input box. All in all it's quite janky but a nice reminder of how general purpose PDF scripting can be. The linked PDF is all ASCII so you can just open it in a text editor, or have a look at…

  Life & fun · 2025 · th0mas.nl

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  21st.dev▲1,211

  Github + Pinterest to make your AI websites look beautiful

  Dev tools · 2025 · 21st.dev

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  Raycast Focus▲990

  Stay in flow by blocking distracting apps and websites

  Work · 2025 · raycast.com

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  JoggAI 2.0: AI Avatar Generator▲967

  Create lifelike, personalized AI avatars from text prompts

  AI · 2025 · jogg.ai

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  Lovable + Builder.io▲873

  Turn Figma designs into full stack apps with AI

  Dev tools · 2025 · figma.com