Sendoid
Acquired
What they do:
High speed peer to peer data transport technology for consumers…
Quick facts:
HQ: San Francisco, CA, United States
Top Productivity Startups
This list has 541 startups and was last updated on Oct 15, 2026. 118 of them are hiring right now. Biggest hubs: San Francisco (283), New York (67), and London (18). Largest teams: Dropbox, Superside, and Zapier. Latest round: Forgepoint raised $9.8M (Oct 14, 2026).
Survival statistics →375 open roles →
541 startupsPage 13 of 16
Rapportive
Acquired
What they do:
Add profiles to email.
Quick facts:
HQ: San Francisco, CA, United States
Simperium
Acquired
What they do:
Simplenote (simplenote.com) and the Simperium platform for syncing…
Quick facts:
HQ: San Francisco, CA, United States
Zenter
Acquired
What they do:
Zenter is the gmail of slides
Quick facts:
HQ: San Francisco, CA, United States
ZeroMailer
Acquired
What they do:
Easy mailing lists
Quick facts:
Screenhero
Acquired
What they do:
Collaborative Screen Sharing — you each get your own mouse, and…
Quick facts:
HQ: San Francisco, CA, United States
WorkLife
Acquired
What they do:
WorkLife is a SaaS application that helps teams have more effective…
Quick facts:
HQ: San Francisco, CA, United States
Polymail
Acquired
What they do:
Email productivity platform for business.
Quick facts:
HQ: Marina del Rey, CA, United States
Tetra
Acquired
What they do:
AI notetaker for phone calls
Quick facts:
HQ: San Francisco, CA, United States
Meetingbird
Acquired
What they do:
Automated meeting scheduling for teams
Quick facts:
HQ: San Francisco, CA, United States
Plasticity
Acquired
What they do:
Natural language processing APIs for developers.
Quick facts:
HQ: San Francisco, CA, United States
CoderWall
Acquired
What they do:
Coderwall is a collaborative learning platform for software developers to improve their programming knowledge. It is based in San Francisco, California.
Quick facts:
HQ: San Francisco, CA, United States
Clover
Acquired
What they do:
The all-in-one notebook for creatives to brainstorm, write, and plan…
Quick facts:
HQ: NY, United States
Pledge Health
Acquired
What they do:
AI RCM assistant that handles any insurance task on payer portals for…
Quick facts:
HQ: New York, NY, United States
Autotab
Acquired
What they do:
AI agents reliable enough to do real work
Quick facts:
HQ: San Francisco, CA, United States
Lumetric
Acquired
What they do:
The AI Analyst For Deal Teams
Quick facts:
HQ: San Francisco, CA, United States
reMail
Acquired
What they do:
Email search for iPhone. Acquired by Google in Feb 2010.
Quick facts:
HQ: CA, United States
Kiko
Acquired
What they do:
We're the best online calendar solution to ever exist. Period.
Quick facts:
HQ: Boston, MA, United States
YC S05Early stage
Workbase
Acquired
What they do:
Data & workflow platform for B2B account teams
Quick facts:
HQ: San Francisco, CA, United States
YC S20Early stage
Paribus
Acquired
Quick facts:
HQ: New York, NY, United States
FileStack
Shut down
What they do:
Acquired by Xenon Ventures.We enable website developers to hook into…
Quick facts:
HQ: San Antonio, TX, United States
RoboTire
Shut down
What they do:
Robotire is automating vehicle maintenance for today and future…
Quick facts:
HQ: Plymouth, MI, United States
Fibo
Shut down
What they do:
SaaS calendar and messaging for SMBs
Quick facts:
HQ: San Francisco, CA, United States
Hypercontext
Shut down
What they do:
Meeting agendas, notes, & goals that tie back to your OKRs
Quick facts:
Medisas
Shut down
What they do:
Medisas builds workflow & collaboration software for hospitals.
Quick facts:
HQ: San Francisco, CA, United States
Hum
Shut down
What they do:
A chat program that integrates with email, with presence.
Quick facts:
HQ: San Francisco, CA, United States
Tailor-ED
Shut down
What they do:
AI-powered corporate learning for accelerated employee growth & skill…
Quick facts:
Tandem
Shut down
What they do:
Tandem is a virtual office for remote and distributed teams.
Quick facts:
HQ: San Francisco, CA, United States
Station
Shut down
What they do:
Your team’s automated knowledge base
Quick facts:
Ozone
Shut down
What they do:
Figma for video
Quick facts:
HQ: San Francisco, CA, United States
Integration Labs
Shut down
What they do:
The Unified API for Business Financial Data
Quick facts:
Entry
Shut down
What they do:
Biometric sign in and identity verification platform
Quick facts:
HQ: Los Angeles, CA, United States
Warpdrive by Synthetic Minds
Shut down
What they do:
From screen recordings to desktop automations using program synthesis
Quick facts:
HQ: San Francisco, CA, United States
Mindmesh
Shut down
What they do:
Mindmesh is the virtual desk that puts you in control.
Quick facts:
HQ: Boston, MA, United States
Sonnet
Shut down
What they do:
Meeting notes and CRM, automated
Quick facts:
HQ: San Francisco, CA, United States
Ubiq
Shut down
What they do:
Screen-sharing for enterprise conference rooms
Quick facts:
HQ: Boston, MA, United States