DSA revision

What it does

Downloaded by 100K+ people already, thought I'd share with the product hunt community if anyone likes Algorithms here 🤣

• 
  Product Hunt Activity2015 · ▲160

  New activity feed! (login to try it out)

• 
  NTMY - 4: Ryan Hoover2015 · soundcloud.com · ▲138

  A chat about how Product Hunt started, VR and "hooverboards"

• 
  Unbias Me2016 · github.com · ▲115

  Reducing unconscious bias in reviewing job candidates.

• 
  TrailsJan 2026 · trails-red.vercel.app · ▲81

  Hey all, Justin here. I previously built Phind, the AI search engine for developers. One of the biggest problems we had there was figuring out what went wrong with bad searches. We had tons of searches per day, but less than 1% of users gave any explicit feedback. So we were either manually digging through searches or making general system improvements and hoping they helped. This problem gets harder with agents. Traces are longer and more complex. It takes more effort to review them, so I'm building a tool that lets you analyze LLM outputs directly to help developers of LLM apps and agents…

• 
  Greymatter with Josh Elman: Biz Stone on "Unpivoting" and the Future of Search2016 · ▲55

  Stories from Company Builders

• 
  devtimate2024 · devtimate.com · ▲25

  Hey HN! I am a FE dev who is working at a software agency and im making 2-3 estimates per week. Creating estimates is painfull manual proccess, where you have to read a lot of .docx like RFP, SRS etc. This was really tiring for me Also in agency where im working we make estimates in google spreadsheets which is another pain, trying to drag something, copy, duplicate can really mess up the whole layout So i just wanted tool that can just automate this a bit. I just started researching and I couldnt find anything good enough for my usecase. So I made a tool for creating estimates with AI. I…

• 
  WallHop – 12ft.io is gone, so I built a replacement▲287

  wallhop is a free paywall bypass. Paste any article link to read it without paywall popups, ads or clutter. No signup, no extension. A simple 12ft.io alternative.

  Growth · 12d ago · wallhop.io

• 
  Prefer▲201

  The execution layer for AEO

  Growth · 23d ago · tryprefer.com

• 
  MakerMap▲197

  A living map of makers and what they’re building

  Growth · 27d ago · makermap.lol

• 
  ChatGPT▲1,643

  A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…

  AI · 2022 · chatgpt.com

• 
  Obsidian Canvas – An infinite space for your ideas▲1,380

  Obsidian Canvas gives you infinite space to research, brainstorm, diagram, and lay out your ideas.

  Work · 2022 · obsidian.md

• PS
  Portable Secret – How I store my secrets and communicate privately▲1,290

  Better privacy without special software

  Commerce · 2022 · mprimi.github.io

• 
  D-ID's Creative Reality™ Studio▲1,069

  Use generative AI to create future-facing videos

  AI · 2022 · studio.d-id.com

• 
  Sessions 2.0▲1,015

  Videoconferencing that finally WOWs

  Growth · 2022

• 
  I wrote a free eBook about many lesser-known/secret database tricks▲865

  Stop treating the database as dumb storage and use its extended features. There's a lot you can use.

  Dev tools · 2022 · sqlfordevs.com