27 Best Developer Platform Startups to Watch in 2025

The Definitive Seedtable Ranking of Developer Platform Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 27 start-ups with an aggregate funding of $1.2b. The average funding per company in this subset is $43.0m.

Last update to the database: Jul 22, 2025. See changelog.

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7

Funding Rounds

$248.0m

Money raised

Sourcegraph offers universal code search for developers and enterprises.

Location:

Key people:

4

Funding Rounds

$159.0m

Money raised

Aera Technology is a software company offering business automation functions.

2

Funding Rounds

$12.0m

Money raised

CY Vision is California-based company developing computational holographic technology for cars.

3

Funding Rounds

$99.2m

Money raised

Provider of a purpose-built tool for modern product development.

Location:

Key people:

2

Funding Rounds

$27.7m

Money raised

Cast.ai is an AI-driven cloud optimization company based in Miami, FL.

2

Funding Rounds

$30.1m

Money raised

Deci's mission is to enable artificial intelligence developers to focus on what they do best, solving our world's most complex problems.

4

Funding Rounds

$193.3m

Money raised

Amunix is an immuno-oncology company focused on developing immune-activating biotherapeutics for patients with solid tumor cancers.

5

Funding Rounds

$50.1m

Money raised

Tatum is a blockchain developer platform. It offers products such as NFT plug-ins for Wordpress, software development kits for over 40 protocols and an API that enables NFT minting across various blockchains.

5

Funding Rounds

$27.1m

Money raised

Qio Technologies Limited is a company providing digital twin solutions for industries, including their QiO Foresight Platform which unites energy, maintenance, production, and performance applications.

2

Funding Rounds

$6.8m

Money raised

Platform that helps companies share and understand their data.

1

Funding Rounds

$2.0m

Money raised

Dataform is a company that provides software to data teams to manage and organize data across their company. Dataform is based in the UK

6

Funding Rounds

$139.0m

Money raised

Tidelift is a Boston-based company founded in 2017 by Havoc Pennington, Luis Villa and Donald Fischer.

Location:

Key people:

6

Funding Rounds

$6.6m

Money raised

VIMANA is an IoT product innovation company specializing in the analysis of industrial businesses.

Key people:

1

Funding Rounds

BentoML.ai is an enterprise-ready MLOps platform that is making it easy to manage and deploy machine learning models.

6

Funding Rounds

$20.8m

Money raised

Station-X, Inc. is a cybersecurity company.

1

Funding Rounds

$2.3m

Money raised

Meenta is a sequencer search company founded in 2020 by Gabor Bethlendy.

2

Funding Rounds

$1.6m

Money raised

Droplit is a platform that provides an API for developing applications.

Location:

Key people:

1

Funding Rounds

$1.3m

Money raised

Crane AI is an Artificial Intelligence company.

1

Funding Rounds

$630.0k

Money raised

NAPPTIVE simplifies how developers build, share and run Cloud Native apps.

2

Funding Rounds

$49.7m

Money raised

Weavr is a business payment management tool founded in 2018.

1

Funding Rounds

$10.0m

Money raised

Koji is a San Diego-based company founded in 2016 by Dmitry Shapiro.

Location:

Key people:

1

Funding Rounds

$7.9m

Money raised

StackBlitz is a San Francisco-based company founded in 2017 by Albert Pai.

Location:

Key people:

2

Funding Rounds

$8.4m

Money raised

Zeptor Corporation is a San Jose, California-based company.

Key people:

1

Funding Rounds

$7.0m

Money raised

Tianjin YangTian Technology is an industrial robotic arm developing company.

1

Funding Rounds

$20.0m

Money raised

1

Funding Rounds

$4.6m

Money raised

Loft Labs is a San Francisco-based company.

1

Funding Rounds

$25.0m

Money raised

Composio is a San Francisco–based agentic AI infrastructure platform enabling developers to connect AI agents with 90–250+ tools via secure, SOC 2‑compliant integrations. Launched by co‑founders Soham Ganatra and Karan Vaidya in 2024–25, it accelerates enterprise AI automation.

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