
Obsidian
Logseq
Craft Docs
Notion
Anytype.io
Tana
Miro
All in one KnowledgeOS, Open alternative to Notion&Miro.

Devhints
OverAPI
1400+ developer cheat sheets for programming, cloud, AI, DevOps, data, and certifications. Includes practice tests, interactive Mind Maps, Cookbooks, My Vault, XP tracking, and advanced search. Free cheat sheets available, no signup required.

Which is more popular?
Based on our record, AFFiNE seems to be more popular. It has been mentioned 32 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | affine.pro | cheatgrid.com |
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| Platforms | ||
| Company | Startup from Singapore · 20 - 49 employees | Startup from Czechia · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of AFFiNE yet.
What is CheatGrid? Most references are a wall of prose, or stop at the obvious basics. CheatGrid is different: every topic is a cheat sheet broken into clean concept, example, description tables, sorted from most-used to most-advanced, with an interactive mind map and a quick index. Each sheet...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
AFFiNE is recommended for freelancers, small-to-medium businesses, and project managers who require effective task management and team collaboration solutions. It is especially suited for organizations looking for an easy-to-use platform that can scale with their growth and adapt to various workflow requirements.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
AFFiNE AI: Notion Meets Infinite Canvas!
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing AFFiNE and CheatGrid.
AFFiNE's answer
AFFiNE is unique because it combines flexibility with strong privacy protections, making it ideal for users who value both control over their workspace and data security. The platform’s canvas feature allows for a highly customizable layout, enabling users to visually organize information in a free-form, drag-and-drop manner. This flexibility supports diverse workflows, from brainstorming and project planning to note-taking and task management, making AFFiNE a versatile tool adaptable to personal and professional needs.
What sets AFFiNE apart even further is its commitment to privacy with a local-first approach. This means data is stored locally on users’ devices, safeguarding sensitive information and ensuring full offline access. As an open-source platform, AFFiNE also invites community contributions and customization, allowing users to shape the tool to fit their specific requirements. This blend of privacy, flexibility, and user-driven development creates a truly unique productivity solution.
CheatGrid's answer:
Every cheat sheet uses the same consistent 3-column format (concept → example → description), ordered from most practical to most advanced. Most resources cover only the obvious top 20% — CheatGrid covers the full topic including edge cases and advanced patterns. Every topic also comes with an interactive Mind Map, and the platform combines reference lookup with practice tests, certification prep, XP tracking, and a personal vault — all in one place.
CheatGrid's answer:
Tools like devhints.io and OverAPI are community-contributed with no consistent structure. CheatGrid uses a single carefully designed format across all 1300+ topics, sorted by real-world importance rather than alphabetically. It goes beyond lookup — practice tests, certification study guides, Mind Maps, and progress tracking mean you can learn and certify, not just reference.
CheatGrid's answer:
Developers, data engineers, DevOps professionals, cloud architects, and tech professionals who regularly look things up at work, prepare for technical interviews, or study for certifications. Also used by students and career-switchers entering the tech industry.
CheatGrid's answer:
Built out of frustration with spending 30+ minutes a day re-searching the same answers across dozens of tabs and articles. The idea: one structured, consistent place for every technical topic — not a wiki, not a forum, but a reference you can scan in seconds and actually trust.
CheatGrid's answer:
Next.js, React, TypeScript (frontend); Convex (backend/database/auth); Python + FastAPI (AI chatbot RAG pipeline); Vercel (hosting).
CheatGrid's answer:
Individual developers, data professionals, and engineers using it for daily lookup and certification prep.
Share your experience with using AFFiNE and CheatGrid. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


AFFiNE is an innovative and comprehensive free daily planner app designed to help you organize, manage, and collaborate on tasks, projects, and information. As a next-generation knowledge base, AFFiNE combines the...
One of the standout features of AFFiNE is its ability to seamlessly switch between paper mode and whiteboard mode (Page and Edgeless), making it a versatile tool for brainstorming, planning, and collaboration. AFFiNE...
One of the standout features of AFFiNE is its ability to seamlessly switch between paper mode and whiteboard mode (Page and Edgeless), making it a versatile tool for brainstorming, planning, and collaboration. In...
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Recommendations tracked on public social media and blogs since March 2021.


I'd say Affine or Obsidian. Obsidian is built on-top of just markdown files, so you can do whatever you want with them. E.g. If you need multiplayer editing you could use 3rd party solutions or even something like HedgeDoc. Affine is... - Source: Hacker News / 6 months ago
I wrote a more detailed comparison of Notion vs Obsidian here: https://bryanhogan.com/blog/notion-obsidian-comparison I kinda dislike where Notion is heading though, forcing more and more things on their users without any ways to disable... - Source: Hacker News / 6 months ago
AFFiNE is a workspace that merges docs, whiteboards, and databases into one tool. The editor supports block-based writing similar to Notion, but adds an infinite canvas (whiteboard) mode where blocks can be freely positioned. It's built... - Source: dev.to / 8 months ago
Tracking CheatGrid since Jun 2026.
When comparing AFFiNE and CheatGrid, you can also consider the following products.

A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Largest cheat sheet for programming languages and libraries
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All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
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