50 Best Developer Platform Companies to Watch in 2026

The most prominent developer platform companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 2,131 companies tracked on Fsome.

2,131
Total Companies
$65.7B
Total Funding
$30.8M
Avg Funding
San Francisco
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Lovable
Lovable provides an AI-driven platform enabling users to generate and deploy web…
Dover $552.5M Series B 2025-12-18
2
Emergent
Emergent is an AI-powered software creation platform that enables users to build…
Pleasanton 101 - 250 $100.0M Series B 2026-01-20
3
Vectara
Vectara is an Enterprise Agent Platform focused on multimodal data and context e…
Palo Alto 11 - 50 $53.5M Series A 2024-07-16
4
TraceLink
TraceLink is a SaaS network creation platform company that connects people, comp…
North Reading 501 - 1K $233.9M Series D 2018-08-21
5
Fal
Fal is a generative media platform that helps developers create applications usi…
San Francisco 101 - 250 $337.5M Series D 2025-12-09
6
Digital Asset
Digital Asset builds privacy-focused blockchain tools that enable institutions t…
New York 101 - 250 $492.2M Corporate Round 2025-12-04
7
Embark Studios
Embark Studios is a games studio, on a mission to blur the line between playing …
Stockholm 251 - 500 $41.0M Corporate Round 2018-11-07
8
CAST AI
CAST AI is the leading Kubernetes automation platform that cuts AWS, Azure, and …
Miami 101 - 250 $181.0M Series C 2026-01-12
9
Epic Games
Epic Games is an interactive entertainment company that develops games and offer…
Cary 1K - 5K $7.9B Series Unknown 2024-06-10
10
SurrealDB
SurrealDB is an AI-native, multi-model database that combines various data model…
London 11 - 50 $44.0M Series A 2026-02-17
11
Endor Labs
Application Security for the AI-Software Development Era
Palo Alto 101 - 250 $188.0M Series B 2025-04-23
12
Tavus
Tavus develops AI humans that remember and empathize, enabling seamless transiti…
San Francisco 101 - 250 $64.2M Series B 2025-11-12
13
Coveo
Coveo is an AI-search and generative experience platform for advanced search, pe…
Quebec 501 - 1K $357.8M Post Ipo Equity 2025-07-10
14
Poolside
Poolside is an artificial intelligence platform that offers foundation concepts …
San Francisco 101 - 250 $626.0M Series B 2024-10-02
15
Triumph
Triumph is a game-developing software firm.
San Francisco 11 - 50 $14.1M Series A 2023-05-10
16
Coder
Coder provides open-source tools and an enterprise platform that makes it easier…
Austin 101 - 250 $172.8M Series C 2026-04-01
17
Arcade.dev
Arcade.dev helps AI Agents securely connect to APIs, data, and other systems
South San Francisco 11 - 50 $12.0M Seed 2025-03-18
18
Netlify
Netlify is the AI-native web development platform where agents and developers bu…
San Francisco 101 - 250 $212.1M Series D 2021-11-17
19
Anyscale
Anyscale accelerates the development and productionization of any AI app, on any…
San Francisco 101 - 250 $259.6M Series C 2022-08-23
20
Resolve.ai
Resolve.ai provides an AI platform that automates software production operations…
San Francisco 101 - 250 $160.0M Series A 2025-12-19
21
Vercel
Vercel is a developer platform that provides cloud infrastructure services for t…
Covina 251 - 500 $863.0M Series F 2025-09-30
22
Descope
Descope enables any developer to create secure, frictionless authentication and …
Los Altos 51 - 100 $88.0M Seed 2025-09-30
23
Neynar
Neynar is a developer platform that allows users to own, read, and write form we…
Wilmington 1 - 10 $11.0M Series A 2024-05-30
24
Framer
Framer is a website design platform that empowers users to design, publish, and …
Amsterdam 101 - 250 $161.0M Series D 2025-08-27
25
Rafay Systems
Rafay provides an infrastructure orchestration and workflow automation platform …
Sunnyvale 101 - 250 $33.0M Series B 2021-08-31
26
Vapi
Vapi is a voice AI platform that allows developers to build, test and deploy voi…
San Francisco 11 - 50 $20.1M Series A 2024-12-11
27
Nextworld
Nextworld provides an enterprise cloud development platform and applications bui…
Greenwood Village 251 - 500 $65.0M Series F 2025-02-04
28
RegScale
RegScale delivers continuous compliance automation for heavily regulated industr…
Mclean 11 - 50 $51.5M Series B 2025-09-17
29
StackBlitz
StackBlitz is a developer of an integrated software used to offer comprehensive …
San Francisco 11 - 50 $113.4M Series B 2025-01-22
30
PostHog
PostHog is an open source platform that helps build successful products by provi…
San Francisco 101 - 250 $182.2M Series E 2025-09-29
31
Esper
Esper is a platform for Android enterprise device management and DevOps to ensur…
Bellevue 101 - 250 $101.7M Series C 2021-10-04
32
OutSystems
OutSystems is an AI-powered low-code platform that enables businesses to develop…
Boston 1K - 5K $802.1M Series G 2022-10-15
33
NEAR
Near develops an application platform designed to bring blockchain to a wide var…
San Francisco 51 - 100 $533.7M Undisclosed 2023-11-20
34
UpKeep
UpKeep is a platform developed for technicians and maintenance workers that prov…
Los Angeles 101 - 250 $48.8M Series Unknown 2025-08-22
35
Penumbra
Penumbra develops and manufactures medical devices used in interventional proced…
Alameda 1K - 5K $2.9M Post Ipo Equity 2021-08-23
36
Poppy
Poppy provides pathogen sensing and detection network that helps to protect plac…
Winter Park 11 - 50 $5.0M Seed 2025-03-25
37
Sourcegraph
The complete AI SDLC platform where devs can compose code, contextualize knowled…
San Francisco 101 - 250 $248.0M Series D 2021-07-13
38
PlayerZero
PlayerZero is a software debugging platform that provides agent debugging and co…
Atlanta 1 - 10 $21.0M Series A 2025-07-30
39
Ryght AI
Ryght AI develops an enterprise-scale generative AI platform and applications to…
Laguna Beach 11 - 50 $5.5M Seed 2025-11-12
40
Tenderly
Tenderly is a Ethereum developer platform that enables to build innovative block…
Belgrade 51 - 100 $58.6M Series B 2022-03-02
41
Merge
Merge is one API to add hundreds of integrations to your product
San Francisco 101 - 250 $74.5M Series B 2022-10-24
42
Ainekko
Open-source AI computing infrastructure
San Jose 11 - 50 $18.3M Series Unknown 2026-02-20
43
Docker
Docker’s platform helps millions of developers efficiently and collaboratively b…
Palo Alto 501 - 1K $435.9M Series C 2022-03-31
44
Sanity
Sanity is the worlds most powerful AI Content Platform
San Francisco 251 - 500 $135.7M Series C 2025-05-02
45
Squads
Squads Labs is a technology company dedicated to growing the on-chain economy by…
Solana 11 - 50 $68.6M Series Unknown 2026-01-09
46
Jua
Jua provides AI-driven weather forecasting tools for energy trading and analysis…
Z├╝rich 11 - 50 $32.9M Series A 2025-06-04
47
Milestone
Boost ROI On Your GenAI Investment. Milestone gives you the tools to measure Gen…
Tel Aviv 11 - 50 $10.0M Seed 2025-11-13
48
Kernel
Kernel is a developer platform that provides Crazy Fast Browser Infrastructure f…
San Francisco 1 - 10 $22.6M Series A 2025-10-09
49
Cortex
AI-powered Internal Developer Portal that helps engineering teams deliver reliab…
San Francisco 51 - 100 $112.7M Series C 2024-09-04
50
Apollo GraphQL
Apollo GraphQL helps developers build better software with a declarative, graph-…
San Francisco 101 - 250 $183.2M Series Unknown 2022-03-01