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Startups14,448Programs29

14,448 startups · 29 programs

Freebuff

Active · The free coding agent

WebsiteYC profile

Why it ranks

How the rank works
10signal of 100 · rising 5
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

AIAcquiredContinueShared: coding agent, open, sourceYC S23San FranciscoStartup →AIExtensible AIShared: completely free, agent, openBetaworks AI Camp: AgentsStartup →AIOpenCodeShared: coding agent, open, sourceYC W21TorontoStartup →AIMorphShared: source model, coding agent, openYC S23ColumbusStartup →AIRelaceShared: coding agent, modelYC W23San FranciscoStartup →OtherRWXShared: coding agentStartup →
Companies closest to Freebuff
Company
ContinueShared: coding agent, open, sourceYC S23AcquiredAI, Devtools
Extensible AIShared: completely free, agent, openBetaworks AI Camp: AgentsNot statedAI, Devtools
OpenCodeShared: coding agent, open, sourceYC W21ActiveAI, Devtools
MorphShared: source model, coding agent, openYC S23ActiveAI, Devtools
RelaceShared: coding agent, modelYC W23ActiveAI, Devtools
RWXnot in a program hereShared: coding agentElsewhereOther

Adjacent

AIScott AIShared: coding agentYC F25New York CityStartup →AIConductorShared: coding agent, workingYC S24San FranciscoStartup →AISpecificShared: coding agentYC F25StockholmStartup →AISynthShared: coding agent, modelYC F24San FranciscoStartup →AICentauri AIShared: coding agentYC W24San FranciscoStartup →
Companies next to Freebuff
Company
Scott AIShared: coding agentYC F25ActiveAI, Devtools
ConductorShared: coding agent, workingYC S24ActiveAI, Devtools
SpecificShared: coding agentYC F25ActiveAI, Devtools
SynthShared: coding agent, modelYC F24ActiveAI, Devtools
Centauri AIShared: coding agentYC W24ActiveAI, Devtools

Also from F24 in AI

All of F24
AIArchilThe high-performance file system that connects AI to dataYC F24San FranciscoStartup →AICekuraVoice AI and Chat AI agents: Testing and ObservabilityYC F24San FranciscoStartup →AIConsusThe fastest and cheapest way to use AI with ITAR or CUI data.YC F24San FranciscoStartup →AIEndstackThe complete, collaborative workspace for humans and agentsYC F24Los AngelesStartup →AIInactiveGaitBuilding Dev Infra for AI Software EngineersYC F24San FranciscoStartup →AIHumanLayerThe multiplayer control plane for your software factoryYC F24San FranciscoStartup →
Company
ArchilThe high-performance file system that connects AI to datateam of 11ActiveAI, Data, Devtools
CekuraVoice AI and Chat AI agents: Testing and Observabilityteam of 15hiringActiveAI, Devtools
ConsusThe fastest and cheapest way to use AI with ITAR or CUI data.hiringActiveAI, Devtools
EndstackThe complete, collaborative workspace for humans and agentsteam of 2ActiveAI, Devtools
GaitBuilding Dev Infra for AI Software Engineersteam of 2InactiveAI, Devtools
HumanLayerThe multiplayer control plane for your software factoryteam of 2hiringActiveAI, Devtools

Founders

  • James GrugettFounder/CEO
  • Dawson ChenFounder

About Freebuff

We're making consumer agent products completely free, using the best open source models, and funded by ads. Our first product is a coding agent CLI called Freebuff. Install it with "npm i -g freebuff". We're also working on a free Lovable competitor.

YC batch
F24 · Fall 2024
Status, per YC
Active
Category
AI, Developer tools
Team size
4
Location
San Francisco, CA, USA
Founded
2024
Checked
6h ago

YC tags: Developer Tools, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗
HiringOct 5, 2026

Started hiring.

Source ↗

Freebuff in F24: 94 companies, 86% AI

GitHub LinkedIn

Freebuff: questions

Which YC batch was Freebuff in?

Freebuff was in Y Combinator's Fall 2024 batch (F24).

Is Freebuff still active?

Y Combinator lists Freebuff as active.

Who founded Freebuff?

Freebuff's founders, as listed on its YC page: James Grugett (Founder/CEO), Dawson Chen (Founder).

Where is Freebuff based?

Freebuff lists San Francisco, CA, USA as its location on YC's directory.