Side-by-side comparison of AI visibility scores, market position, and capabilities
Visual knowledge management platform with spatial whiteboard for researchers; $1.2M revenue in 2024 with 30K paid users backed by YC competing with Obsidian and Notion for sensemaking.
Heptabase is a Taipei-based visual knowledge management platform that lets researchers, students, and knowledge workers organize complex information through a spatial whiteboard interface — placing notes as cards on infinite canvases, connecting related ideas visually, and enabling the kind of non-linear thinking that linear note-taking tools like Notion and Obsidian constrain. Founded in 2021 by CEO Alan Chan and backed by Y Combinator, Heptabase raised $2.2 million in funding, reached $1.2 million in revenue in 2024 with 30,000 active paid users, growing with an 8-person team.
Open-source offline-first API client with git-native Bru file storage; solo-founded, declined 8 VC offers, competing with Postman and Insomnia for developers seeking privacy-respecting local API testing tooling.
Bruno is an open-source API client and testing tool — a lightweight, offline-first, git-friendly alternative to Postman and Insomnia — enabling developers to explore, test, and document APIs with collections stored as plain-text Bru files in the project filesystem rather than in cloud-synced proprietary formats. Created by a solo founder in 2022 and growing to a 9-person team by late 2024, Bruno operates with an unusual philosophy: the founder publicly declined 8 venture capital offers to preserve product freedom and build toward profitability, with the core Bruno client remaining free and open-source (MIT license) while the Golden Edition provides enterprise features for commercial revenue. Pro and Ultimate paid editions launched in 2024.
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