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Life & fun · alternatives · 2026

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24 alternatives to Lectio, contextualized comments for lectures

Watch Sam Altman's first lecture for How to Start a Startup, and participate in the discussion here: http://lect.io/#watch/CBYhVcO4WgI

Lectio is a platform that lets users watch lecture videos and participate in time-synced discussions about specific moments within them. It enables viewers to leave comments tied to exact points in a lecture, creating… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Lectio, contextualized comments for lectures launched in 2014; newer entries below may have overtaken it.

  1. 1
    Lect.io▲60

    MOOCs contextualized comments for lectures.

    2014 · its alternatives →

  2. 2

    Watch University Lectures & Learn From AI Notes

    2025 · apps.apple.com · its alternatives →

  3. 3
    Eccco▲168

    A comment system anywhere with one click/tap

    2022 · eccco.space · its alternatives →

  4. 4
    EduDo 2.0▲301

    Video-based discussions platform

    2021 · its alternatives →

  5. 5
    Unfold▲275

    Generate interactive courses on any topic

    Nov 2025 · 45d.ai · its alternatives →

  6. 6
    Commented▲766

    Simplify feedback, keep your team aligned, no live meetings

    2023 · commented.io · its alternatives →

  7. 7

    Summarize & transcribe meetings, lectures & videos

    2024 · its alternatives →

  8. 8
    Pinch▲535

    Hey HN! I’m Christian, daily lurker and some might remember our original launch post (https://news.ycombinator.com/item?id=42935355). Today we're launching Pinch for Mac, which we believe is a step-change improvement in real-time AI translation. Our vision is to make cross-lingual conversations feel as natural as regular conversations. TL:DR During an online meeting, the app instantly transcribes and translates all audio you hear, and allows you to decide when you translate your voice and when you don't. It's invisible to others (like Granola), and works everywhere without any…

    2025 · startpinch.com · its alternatives →

  9. 9

    Hey HN! Alexis here, I’m a product manager and software developer in Berlin by way of New York. I want to show you this app I made – It’s like a "buddy" for those, like myself, who inadvertedly talk too much in meetings. The app gives me feedback and a little more in control of what I have influence over by: * Keeping track of how long I’ve been speaking * Catching myself before I talk too much * Developing a better sense of timing I truly love having conversations with people in real-life. But online meetings, especially group calls, tend to make me nervous. I can't read body language. The…

    2022 · unblah.me · its alternatives →

  10. 10

    Enable discussion in your product effortlessly

    2023 · its alternatives →

  11. 11
    Cliptutor▲285

    Learn and teach 10x faster with AI-powered video lectures

    2023 · its alternatives →

  12. 12

    Async audio & video discussions – right from your browser

    2022 · x-time.info · its alternatives →

  13. 13

    Watch Stanford CS & Startup lectures together

    2018 · classroomies.com · its alternatives →

  14. 14

    Hi HN, I watch A LOT of educational YouTube videos but wasn't forgetting a good chunk of the details because I was only really passively watching. So I made a tool that generates quiz questions/flashcards from YouTube videos, and uses spaced repetition like Anki or Duolingo to keep it in memory. Let me know if you find it cool/useful (or terrible ) or if you want to know a bit about the details!

    2024 · platoedu.org · its alternatives →

  15. 15

    A customizable meeting interface, built on top of Zoom

    2020 · macro.io · its alternatives →

  16. 16

    The Open Source Learning Management System for Companies

    2024 · classroomio.com · its alternatives →

  17. 17
    Envisage▲199

    Inject contextual help on your site. Point and click style.

    2016 · elev.io · its alternatives →

  18. 18IM

    Hi, I'm a high school teacher from Australia and I've built what I'd like to think is a pretty nifty ChatGPT powered presentation tool for teachers. I'd love it if you could have a look at it and give me some of your feedback. I don't think there's much overlap with the HN crowd and school teachers, but I've been coming here for many years and thought I'd post here and see what you all think. Check it out if you have a minute and I'd be super happy to hear your feedback too. https://www.slidehero.ai/ You can jump in and have a play with the tool all you like ;) Cheers, Eli

    2025 · its alternatives →

  19. 19

    context-augmented intelligence for meetings

    2017 · its alternatives →

  20. 20IB

    I released ContextChat, an AI chat designed to be context-centric, helping you stay focused and productive by giving you control over the information your AI sees. You can import websites, files, and public/private GitHub repos to give the AI full knowledge of your projects. Unlike other chatbots, ContextChat lets you easily switch between project contexts, so you get relevant answers and avoid the noise. It's pay-per-use, giving you flexibility and control over costs and free models are available so you can try it for free with no monthly subscriptions. Let me know your feedback!

    2025 · contextch.at · its alternatives →

  21. 21

    Watch online courses in-sync while video calling peers.

    2019 · its alternatives →

  22. 22

    The open-source platform for tech bootcamps

    2023 · classroomio.com · its alternatives →

  23. 23

    I built this for myself. I make videos, and my biggest bottleneck is figuring out what to say to my audience without staring at a blank page. So I built Scriptmine: a tool that listens to Reddit conversations in my niche, finds high-signal topics, and turns them into scripts. How it works: - Track subreddits and discussions relevant to a niche - Rank topics by engagement/momentum - Generate a hook/body/CTA draft in a chosen voice/format

    Feb 2026 · scriptmine.ai · its alternatives →

  24. 24

    An open source platform for running unconferences online

    2015 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →