Work · alternatives · 2026

24 alternatives to Cerbrain

Create, memorize and share your knowledge lists.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cerbrain launched in 2021; newer entries below may have overtaken it.

1IV
I've been writing daily TILs for a year▲819
2016 · github.com · its alternatives →
2
Memonia▲74
Automatic knowledge discovery and sharing for Slack
2019 · its alternatives →
3TN
Technical note app that builds a knowledge base▲180
2018 · monocorpus.com · its alternatives →
4AT
A tool for your learning, like Anki and WorkFlowy in one▲209
2020 · learnobit-36a54.web.app · its alternatives →
5GL
Graphiti – LLM-Powered Temporal Knowledge Graphs▲142
Hey HN! We're Paul, Preston, and Daniel from Zep. We've just open-sourced Graphiti, a Python library for building temporal Knowledge Graphs using LLMs. Graphiti helps you create and query graphs that evolve over time. Knowledge Graphs have been explored extensively for information retrieval. What makes Graphiti unique is its ability to build a knowledge graph while handling changing relationships and maintaining historical context. At Zep, we build a memory layer for LLM applications. Developers use Zep to recall relevant user information from past conversations without including the entire…
2024 · github.com · its alternatives →
6
Trickle▲251
Make learning a daily habit
2020 · its alternatives →
7
Learney▲93
Personalised learning for tech with knowledge graphs
2021 · its alternatives →
8AB
A bookmarking tool designed to help synthesize your web research▲217
2020 · klobie.com · its alternatives →
9
Gibbon 2.0▲197
Make your team smarter: Share knowledge with your colleagues
2015 · its alternatives →
10
Kipwise for articles▲117
Save 💾 and annotate ✍️ articles seamlessly on Slack
2018 · its alternatives →
11
Graphify▲195
Turn your Notion notes into an interactive knowledge map
2025 · getgraphify.com · its alternatives →
12BA
Build a personal knowledge graph from the content you consume online▲79
I've been working on this tool that lets you build a personal knowledge graph from articles, blog posts, podcasts, YouTube videos, and other content you find interesting online. You can safely forget everything and trust that Recall will resurface it when something new that is related comes up. Looking forward to your thoughts and feedback on how it could be improved! The original version of Recall was posted last year nov on HN: https://news.ycombinator.com/item?id=33425947 Since then I have pivoted to a browser extension.
2023 · recall.wiki · its alternatives →
13
Knowt▲194
An app that uses AI to turn your notes into review quizzes.
2019 · its alternatives →
14
Cerebro▲94
Cerebro turns information into connected insights
2025 · heycerebro.com · its alternatives →
15
lyrnlink▲158
How learners share what they're learning.
2021 · its alternatives →
16
BookmarkingBot▲75
Never miss any important information in Slack again
2018 · its alternatives →
17
Obie.ai 2.0▲144
Access knowledge quicker without leaving Slack
2017 · its alternatives →
18TL
To-learn list and course reminders▲121
2014 · accredible.com · its alternatives →
19
Lingotrack▲106
Track, share & accelerate your language-learning journey
2023 · its alternatives →
20
Helpcenter by Kommunicate▲92
Clean, lean and simple knowledge-base and FAQs builder tool
2019 · its alternatives →
21
Lottus: Learn, share and grow▲72
Learn, read or share something new everyday.
2022 · its alternatives →
22AT
A Tool for Rapid Learning Process (It's like Anki + Workflowy)▲23
2020 · learnobit.com · its alternatives →
23
LearnObit (Beta)▲78
a web app for learning anything quickly and reliably
2020 · its alternatives →
24
LearnObit (Beta 2)▲70
A cognitive tool to boost learning
2021 · 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 →