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Startups14,448Programs29

14,448 startups · 29 programs

Slashy

Active · Cursor for Email

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 5
  • went through YCProgram · this site+4
  • team of 3Team size · YC's directory+3.1

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

Competitors

AIABIVOShared: email client, follow upsAntler 2025CanadaStartup →AIMailTimeShared: email client, productivity, draftYC W16Hong KongStartup →OtherInactivePost.fmShared: email, inbox, productivityYC S10LondonStartup →AIUpstreamShared: draft reply, inbox, followYC S23ParisStartup →AIStampShared: email client, inbox, calendarYC W25San FranciscoStartup →
Companies closest to Slashy
Company
ABIVOShared: email client, follow upsAntler 2025Not statedAI
MailTimeShared: email client, productivity, draftYC W16ActiveAI
Post.fmShared: email, inbox, productivityYC S10InactiveOther
UpstreamShared: draft reply, inbox, followYC S23ActiveAI
StampShared: email client, inbox, calendarYC W25ActiveAI

Adjacent

OtherAcquiredRapportiveShared: email, productivity, inboxYC S10San FranciscoStartup →AIFreestyleShared: email, ai assistant, productivityYC F24San FranciscoStartup →AIInactiveForage MailShared: email, ai assistant, productivityYC S21New York CityStartup →AIFollowUpThenShared: email client, automation, productivityYC S17San FranciscoStartup →AIOdoShared: email, ai assistant, productivityYC S24San FranciscoStartup →
Companies next to Slashy
Company
RapportiveShared: email, productivity, inboxYC S10 +1AcquiredOther
FreestyleShared: email, ai assistant, productivityYC F24ActiveAI
Forage MailShared: email, ai assistant, productivityYC S21InactiveAI
FollowUpThenShared: email client, automation, productivityYC S17ActiveAI
OdoShared: email, ai assistant, productivityYC S24ActiveAI

Also from S25 in AI

All of S25
AICharThe AI notepad that knows and works for youYC S25SeoulStartup →AIEpicenterChatGPT's memory feature in an open, portable formatYC S25San FranciscoStartup →AITraceContext-aware orchestration between humans and AI.YC S25LondonStartup →AIAdaptionalAI-powered insurance claims reviewYC S25San FranciscoStartup →AIAgentMailEmail Inboxes for AI AgentsYC S25San FranciscoStartup →AIAutosanaAI agents for E2E testing across mobile & webYC S25San FranciscoStartup →
Company
CharThe AI notepad that knows and works for youteam of 3ActiveAI, Devtools
EpicenterChatGPT's memory feature in an open, portable formatActiveAI, Devtools
TraceContext-aware orchestration between humans and AI.team of 3ActiveAI
AdaptionalAI-powered insurance claims reviewhiringActiveAI
AgentMailEmail Inboxes for AI Agentsteam of 10hiringActiveAI, Devtools
AutosanaAI agents for E2E testing across mobile & webteam of 5ActiveAI, Devtools

Founders

  • Harsha GaddipatiFounder/CEO
  • Dhruv RoongtaFounder

About Slashy

Slashy is an AI-native email client for founders and operators. It drafts replies in your voice from your sent mail, triages your inbox, tracks follow-ups, keeps your calendar in the inbox, and can be run from iMessage, Slack, or an AI agent through its MCP server. Slashy works with Gmail, Google Workspace, Outlook.com, and Microsoft 365, on web, Mac, and iOS.

YC batch
S25 · Summer 2025
Status, per YC
Active
Category
AI
Team size
3
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

YC tags: Productivity, Enterprise Software, Automation, Email, AI Assistant

Slashy in S25: 166 companies, 92% AI

LinkedIn

Slashy: questions

Which YC batch was Slashy in?

Slashy was in Y Combinator's Summer 2025 batch (S25).

Is Slashy still active?

Y Combinator lists Slashy as active.

Who founded Slashy?

Slashy's founders, as listed on its YC page: Harsha Gaddipati (Founder/CEO), Dhruv Roongta (Founder).

Where is Slashy based?

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