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Top Seed Developer tools companies

IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to companies whose latest disclosed round is Seed.

Built from a search like: “Top Seed Developer tools companies”

Ranked by current headcount across Seed Developer tools companies. Refreshed daily.

  1. 1
    Cisco· San Jose, California, United States
    • Seed
    • 95.6k employees
    • Founded 1984
  2. 2
    Toptal
    • Seed
    • 6.2k employees
    • Founded 2010
  3. 3
    Stealth· San Rafael, California, United States
    • Seed
    • 4.5k employees
    • Founded 2022
  4. 4
    IRC· Oulu, North Ostrobothnia, Finland
    • Seed
    • 3.9k employees
    • Founded 1988
  5. 5
    Stealth Mode
    • Seed
    • 3.7k employees
    • Founded 2000
  6. 6
    Mentor Graphics· Wilsonville, Oregon, United States
    • Seed
    • 3.7k employees
    • Founded 1981
  7. 7
    ConnectWise· Tampa, Florida, United States
    • Seed
    • 3.4k employees
    • Founded 1982
  8. 8
    Healthcare AI· London, England, United Kingdom
    • Seed
    • 3.4k employees
    • Founded 2024
  9. 9
    D-Link USA· Irvine, California, United States
    • Seed
    • 2.9k employees
    • Founded 1986
  10. 10
    GoTo· Boston, Massachusetts, United States
    • Seed
    • 2.5k employees
    • Founded 2003
  11. 11
    SymphonyAI· Palo Alto, California, United States
    • Seed
    • 2.1k employees
    • Founded 2017
  12. 12
    J.D. Edwards· London, England, United Kingdom
    • Seed
    • 2k employees
    • Founded 1988
  13. 13
    Milestone Systems· Copenhagen, Capital Region of Denmark, Denmark
    • Seed
    • 1.8k employees
    • Founded 1998
  14. 14
    Undefined· Remote, Oregon, United States
    • Seed
    • 1.8k employees
    • Founded 2018
  15. 15
    Intuit Mailchimp· Atlanta, Georgia, United States
    • Seed
    • 1.6k employees
    • Founded 2001
  16. 16
    RUCKUS Networks· Sunnyvale, California, United States
    • Seed
    • 1.3k employees
    • Founded 2004
  17. 17
    Motional· Boston, Massachusetts, United States
    • Seed
    • 934 employees
    • Founded 2020
  18. 18
    Wish· San Francisco, California, United States
    • Seed
    • 879 employees
    • Founded 2010
  19. 19
    DataRobot· Boston, Massachusetts, United States
    • Seed
    • 853 employees
    • Founded 2017
  20. 20
    Anything World· London, England, United Kingdom
    • Seed
    • 837 employees
    • Founded 2018
  21. 21
    Unilog· Plymouth Meeting, Pennsylvania, United States
    • Seed
    • 797 employees
    • Founded 1998
  22. 22
    nstech· São Paulo, São Paulo, Brazil
    • Seed
    • 786 employees
    • Founded 2020
  23. 23
    Everfox· Herndon, Virginia, United States
    • Seed
    • 749 employees
    • Founded 2023
  24. 24
    Prive (Now Recurly Commerce)· San Francisco, California, United States
    • Seed
    • 741 employees
    • Founded 2021
  25. 25
    Junglee Games· Gurugram, Haryana, India
    • Seed
    • 727 employees
    • Founded 2012

Find engineers and founders at Seed Developer tools companies

Seed Developer tools companies are some of the most active hirers in the market. The list above ranks the largest Developer tools companies whose latest disclosed round is Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 8,236matching companies, you’ll find senior engineers, founding designers, and operators worth tracking.

Companies at this stage in Developer tools share a profile: a working product, fresh capital, and a hiring plan that wants senior people yesterday. Looking at headcount, last round, and HQ side by side gives you a quick read on where Developer tools talent is concentrating right now.

Refolk converts this list into a search. Ask for “Seed Developer tools founders hiring senior engineers” or “design leads at Seed Developer tools companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.

How this list is built

Refolk pulled Developer tools companies whose latest disclosed funding round is Seed from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 05:55:42 GMT

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