Y Combinator · S13
Y Combinator Summer 2013 startups
RemJobs lists 12 startups from Y Combinator's Summer 2013 batch. 10 of the 12 startups are based in the United States, and 4 in San Francisco. Between them they are in 3 countries and 9 cities. 4 are hiring remotely.
Updated
- startups
- 12
- countries
- 3
- cities
- 9
- hiring remotely
- 4
Summer 2013 startups
- WebflowYC S13Design, build, optimize, and rank in AI search — all in Webflow. Enterprise-grade security, CMS, hosting, and AEO built in. Trusted by over 300k teams. San Francisco, United States Remote: Argentina, Canada +1
- LobYC S13Lob provides the building blocks for developers to automate the offline world. Enterprise companies use Lob’s suite of APIs to mail fully dynamic and personalized customer… San Francisco, United States Remote: United States
- EasyPostYC S13API platform for parcel shipping and logistics operations. Lehi, United States Remote: United States
- Panorama EducationYC S13AI-driven software for schools, districts and states covering MTSS, academic progress, school climate and student results. Glendale, United States
- 7cupsYC S13Online mental health service offering free emotional support conversations and access to therapy. Charlotte, United States
- CratejoyYC S13Marketplace for subscription boxes across interests such as beauty, books, fitness and food. Austin, United States
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6 more S13 startups
Unlock the full list, every company on the map, and their founders, emails, LinkedIn and careers pages.
Where they are
Hiring remotely
4 startups from S13 had at least one open remote role when their job boards were last read, 61 remote roles between them.
Other batches
Questions
How many startups are in Y Combinator's Summer 2013 batch?
RemJobs lists 12 startups from the Summer 2013 batch (S13) as of Oct 2, 2026, including Webflow, Lob, EasyPost, Panorama Education and 7cups. The count covers the companies we have found, which may be fewer than the batch itself.
Where are Y Combinator Summer 2013 startups based?
10 of the 12 startups are based in the United States, and 4 in San Francisco. Between them they are in 3 countries and 9 cities. By country: United States (10), Canada (1) and Poland (1).
Which S13 startups are hiring remotely?
4 startups had open remote roles when their job boards were last read, 61 remote roles between them, including Webflow, Lob, EasyPost and DoorDash USA.
Can I contact the founders of S13 startups?
Each company has a free public profile. 3 of them have founder names on file, and members see the founders, their emails where found, LinkedIn and careers pages, and every company on the map.
Companies come from public sources: their own websites, public startup directories and accelerator portfolios, and their public job boards (Greenhouse, Lever, Ashby), which were last read through Oct 2, 2026. A company that is missing or out of date can write to us from the footer.