Char
YC S25 · Active · The AI notepad that knows and works for you
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 ZuniShared: ai assistant, productivity, workActiveAI | AI | Active | YCS24 |
 RomaShared: ai assistant, productivity, knowActiveAI | AI | Active | YCF26 |
 SlapdashShared: productivity, command, workAcquiredDevtools | Devtools | Acquired | YCW19 |
 MindmeshShared: productivity, todo, workInactiveOther | Other | Inactive | YCS21 |
 SunsamaShared: productivity, pick, workActiveOther | Other | Active | YCW19 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 100xShared: ai assistant, agent, productivityActiveAI | AI | Active | YCS22 |
 Rowboat LabsShared: ai assistant, open source, productivityActiveAI, Devtools | AI, Devtools | Active | YCS24 |
 DailyShared: ai assistant, open source, dailyActiveAI, Devtools | AI, Devtools | Active | YCW16 |
 Spinach AIShared: ai assistant, productivity, agentActiveAI | AI | Active | YCW22 |
 NilesShared: productivity, workInactiveOther | Other | Inactive | YCW17 |
Also from S25 in AI
All of S25| Company | Category | Status |
|---|---|---|
 EpicenterChatGPT's memory feature in an open, portable formatActiveAI, Devtools | AI, Devtools | Active |
 SlashyCursor for EmailActiveAI | AI | Active |
 BlueYour phone finally has someone to run it. Plug in Blue, just ask.ActiveAI | AI | Active |
 Cactus ComputeAutomation Foundation Models For Tiny DevicesActiveAI, Devtools | AI, Devtools | Active |
 CLODOPlanet-scale people discovery.ActiveAI | AI | Active |
 DoeThe boring stuff, handled. Everything else, supercharged.ActiveAI, Data | AI, Data | Active |
Founders
- John JeongFounder/CEO
- Deokhaeng LeeFounder
- Yujong LeeFounder
About Char
Char is a daily notepad that finishes your todos for you. Type a checkbox, and an agent picks it up — researching, drafting, or scheduling on your behalf. Stay in command. Char does the work.
- YC batch
- S25 · Summer 2025
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 3
- Location
- Seoul, Seoul, South Korea; Remote
- Founded
- 2023
- Checked
- 31m ago
YC tags: SaaS, Productivity, Open Source, AI, AI Assistant
Char: questions
Which YC batch was Char in?
Char was in Y Combinator's Summer 2025 batch (S25).
Is Char still active?
Y Combinator lists Char as active.
Who founded Char?
Char's founders, as listed on its YC page: John Jeong (Founder/CEO), Deokhaeng Lee (Founder), Yujong Lee (Founder).
Where is Char based?
Char lists Seoul, Seoul, South Korea; Remote as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.