Meldium
Acquired
What they do:
Simple password & identity management for teams. Acquired by LogMeIn…
Quick facts:
HQ: San Francisco, CA, United States
Top Productivity Startups in the United States
This list has 418 startups and was last updated on Oct 15, 2026. 100 of them are hiring right now. Biggest hubs: San Francisco (283), New York (67), and Los Angeles (8). Largest teams: Dropbox, Zapier, and Ginkgo Bioworks. Latest round: Copia Automation raised $2.2M (Jun 16, 2026).
418 startupsPage 10 of 12
Cloudstitch
Acquired
What they do:
Power your website with Google Spreadsheets.Acquired by Instabase…
Quick facts:
HQ: San Francisco, CA, United States
Okay
Acquired
What they do:
Dashboards and actionable insights for high-performing engineering…
Quick facts:
HQ: San Francisco, CA, United States
UpLink
Acquired
What they do:
Document Collection Software for Accountants, Auditors, and Lawyers
Quick facts:
HQ: Palm Beach Gardens, FL, United States
Cron
Acquired
What they do:
Next-generation calendar for professionals and teams
Quick facts:
HQ: San Francisco, CA, United States
Laudspeaker
Acquired
What they do:
Open source mobile marketing platform. Alternative to appcues /…
Quick facts:
HQ: San Francisco, CA, United States
Bytebot
Acquired
What they do:
Bytebot is the open source container for AI desktop agents.
Quick facts:
HQ: Boston, MA, United States
Cardinal
Acquired
What they do:
Your AI product backlog
Quick facts:
HQ: Austin, TX, United States
Speck
Acquired
What they do:
AI Notetaker that automates all your admin work
Quick facts:
HQ: San Francisco, CA, United States
Opennote
Acquired
What they do:
The notebook that thinks with you.
Quick facts:
HQ: San Francisco, CA, United States
HackPad
Acquired
What they do:
A realtime wiki for getting things done.
Quick facts:
HQ: San Francisco, CA, United States
Stypi
Acquired
What they do:
Realtime collaborative coding
Quick facts:
HQ: San Francisco, CA, United States
Sendoid
Acquired
What they do:
High speed peer to peer data transport technology for consumers…
Quick facts:
HQ: San Francisco, CA, United States
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
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
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