Launch HN: Needl (YC S22) – Simple search across all your apps 19 by MaxKeenan | 17 comments on Hacker News. Hi HN, we’re Max and James, co-founders of Needl ( https://www.needl.tech ). Needl is a single search bar for all your apps that lets you find any document, message, or file you need. Here’s a demo video: https://ift.tt/aqCnX1x . We’ve all struggled to find information and couldn’t remember if it was shared over Gmail or Slack or Notion. Most of us have hundreds of thousands of emails, documents, messages, etc., and only a small fraction are actually useful. Internal search is even harder than web search in some ways: with web search, there are dozens of right answers and millions of previous searches to train ranking models, but internally (i.e. on your own data), there is only one right answer and limited training data. Needl’s value prop is twofold: it unifies all of your information together and provides better search than existing platforms (here’s an example of Needl co...