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AI agents

Epicenter

Epicenter is an ecosystem of open-source, local-first apps that share a memory. We store all your work—notes, transcripts, chat histories—in a single folder of plain text and SQLite. Every tool we build shares this memory: your text editor, personal assistant, etc.. It's open, tweakable, and yours. Grep it, open it in Obsidian, host it wherever you like. The choice is yours. Our vision is to build a personal workspace where you own your data, choose your own AI models, and replace siloed apps wi

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #3003

Epicenter is an ecosystem of open-source, local-first apps that share a memory. We store all your work—notes, transcripts, chat histories—in a single folder of plain text and SQLite. Every tool we build shares this memory: your text editor, personal assistant, etc.. It's open, tweakable, and yours. Grep it, open it in Obsidian, host it wherever you like. The choice is yours. Our vision is to build a personal workspace where you own your data, choose your own AI models, and replace siloed apps wi

source
generated read
High Signal interpretation

Epicenter is classified as AI agents from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
SQLiteEpicenterplain textpersonal assistantlocal-first apps
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Epicenter

AI agents · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

WorkFlowy

match 48

WorkFlowy is a tool for organizing your brain. It provides a powerful interface for hierarchical lists. People use it as a replacement for text editors and spreadsheets as organizational tools. They leave it open all day and put whatever passes through their brain in it - project plans, to-do's, meeting notes, brainstorms, etc..

shared extracted concept terms: text; shared product terms: note, text, editor, etc; shared product theme: context and memory; shared affiliation: Y Combinator

assistant-ui

match 41

assistant-ui helps frontend developers add AI chat to their apps. Our product is used by several dozen companies, like LangChain, Stack AI, Browser Use, and Athena Intelligence. We're building an open source Typescript/React library and a backend as a service, with first class integrations into popular agent frameworks like LangGraph and Vercel AI SDK.

shared product terms: apps, chat, assistant, like; shared product theme: open source and local first; same category: AI agents; shared affiliation: Y Combinator

Quest

match 38

Quest is a Q&A app where experts answer questions in short audio clips. We’re starting with career advice, hosting founders and operators from YC and companies like Google, who share intimate and personal stories about work you've never heard before.

shared product terms: share, personal, host, like; shared product theme: context and memory; shared affiliation: Y Combinator

jo

match 38

jo is a personal AI that runs on your Mac and a private cloud machine we host for you. It knows your life, improves itself autonomously, chats via Telegram and WhatsApp, and never shares your data. Less "chatbot" and more "a second brain that does things proactively".

shared product terms: share, chat, personal, host; shared product theme: context and memory; shared affiliation: Y Combinator

Edexia

match 36

Edexia is an AI Teacher Assistant for grading essays. It can be trained and controlled by the teacher and can grade assignments from any curriculum, year level, subject, or format. Learning like a teacher, Edexia visually breaks down its understanding of the rubric, and updates this as a teacher corrects it. Our vision is to transform education by facilitating AI’s safe and effective integration across all institutions and applications. Not using AI to replace teachers but rather to empower them

shared product terms: assistant, like, vision, replace; same category: AI agents; shared affiliation: Y Combinator

PerShop

match 17

Your personal clothing store!

shared product terms: personal, store; shared affiliation: Y Combinator