
Flashpaper — Zero-Knowledge Self-Destructing Notes & Encrypted File Sharing
Send self-destructing notes and files with zero-knowledge encryption and screenshot protection.
minpym · HN
Flashpaper – Self-destructing secret sharing with no database
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Send self-destructing notes and files with zero-knowledge encryption and screenshot protection.
minpym · HN
Flashpaper – Self-destructing secret sharing with no database

Convert GoodNotes archives to SVG, PDF, and JSON formats using 100% local processing.
Kaih1825 · HN
Hi HN, I'm the author of this project. I built this because I wanted my handwritten notes to truly belong to me—free to be migrated to other apps instead of being locked inside the proprietary Goodnotes ecosystem. To be honest, I have absolutely no background in reverse engineering or binary file parsing. I built this almost entirely through "vibe coding" (using LLMs as my pair programmers—mainly Gemini Pro/Flash, and occasionally Claude Sonnet). My ultimate goal is to unlock .goodnotes files so

Convert lecture notes and PDFs into flashcards, quizzes, summaries, and audio podcasts.
u/LineMission3540 · Reddit
Would Love Feedback on an AI Study Tool I'm Building I’m a high school student currently building Vulty, an AI study tool that organizes and turns lecture notes and PDFs into interactive, editable note summaries, flashcards, quizzes, and even 1 to 15 minute audio podcasts. We’re starting early access testing before launch, and we would love feedback and beta testers. You can test Vulty out at https://vulty.org/ . If you'd like to access Pro or Premium mode for testing for free, DM me and I c

Record your meetings to get multilingual transcripts, summaries, and action items.
@aunahmedm · X
Samjha — AI meeting notes for 600M+ multilingual professionals. Urdu. Hindi. Punjabi. Bengali. English. US. UK. UAE. South Asia. 91% accuracy on mixed-language meetings. Free beta.

Create business proposals with templates, e-signatures, and analytics.
@propelio_app · X
Hey man, Building Propelio, proposals for freelancers Let’s connect!

Paste your content. Choose your formatting preferences. Let AI create a perfectly formatted document in seconds.
@Carynyx80 · X
FormatIQ: An AI document formatting platform where you can format your documents within seconds @evalyze_ai

One link to manage deals from pitch to payment: book meetings, sign contracts, get paid.
@abhinav__dubey · X
Heyy Yooo! Building one link that helps SMBs go from first pitch to fully paid process, no juggling four tools to get there.

Save X posts and webpages through email or Telegram, turning them into interconnected markdown notes.
@MyCrystalSite · X

Transcribe voice messages into clean, copyable lists for notes and apps.
emadda · HN
list55.com: Transcribe a list into plain text

Capture ideas with a focused, flow-friendly interface.
@VanshSura · X
Just shipped a fresh UI update for MindDock ✨ Redesigned the experience to feel cleaner, faster, and more focused—making it easier to capture ideas and stay in flow. Still a lot more to build, but I'm happy with how it's evolving. 🚀 #buildinpublic

The simplest AI collections assistant for solo Stripe users. One-click connect, personalized escalating reminders, configurable Trust Mode. Get paid without lifting a finger.
@StripeCopilot · X

Organize your team's tasks, files, and chat in a single shared workspace.
@foldtaskapp · X