Top Seed Developer tools companies

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

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

1
Cisco· San Jose, California, United States
Cisco is the worldwide technology leader that is revolutionizing the way organizations connect and protect in the AI era. For more than 40 years, Cisco has securely connected the world. With its industry leading AI-powered solutions and services, Cisco enables its customers, partners and communities to unlock innovation, enhance productivity and strengthen digital resilience. With purpose at its core, Cisco remains committed to creating a more connected and inclusive future for all.
- Seed
- 95.6k employees
- Founded 1984
2
Toptal
With over $5 billion in global payments, $200 million in annual revenue, 70k contracts signed — Toptal is the world’s largest fully remote workforce.
- Seed
- 6.5k employees
- Founded 2010
3
Mentor Graphics· Wilsonville, Oregon, United States
Mentor Graphics® was a technology leader in electronic design automation (EDA), providing software and hardware design solutions that enable companies to develop better electronic products faster and more cost-effectively, that is now a part of the Siemens Digital Industries Software portfolio. https://eda.sw.siemens.com
- Seed
- 3.7k employees
- Founded 1981
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- Seed
- 3.5k employees
- Founded 2000
5
ConnectWise· Tampa, Florida, United States
Born out of a single software solution designed to help MSPs gain control of their help desk and billing, ConnectWise has grown into a robust platform of software built for technology solutions providers (TSPs) to run their entire as-a-service business. With products aiding in business management, remote monitoring and management, remote control and access, quote and proposal automation, and cybersecurity risk assessments, integrations with hundreds of key vendors, plus the largest and most engaged community in the industry, ConnectWise has built a platform for The IT Nation.Our company is powered by our connections, our colleagues and our community. And, we accept all kinds. Game-changers,innovators, culture-lovers - and the humankind.We invite discovery and debate. We recognize key moments as milestones. We see you and value you for your unique contributions.Our inclusive, positive culture lays the foundation to ensure every colleague is valued for their perspectives and skills, giving you the choice of how YOU make a difference.
- Seed
- 3.4k employees
- Founded 1982

6
Healthcare AI· London, England, United Kingdom
Healthcare AI leverages machine learning algorithms and software to analyse complex medical data, leading to improved diagnosis, treatment, and prevention of diseases. By mimicking or exceeding human cognitive abilities, AI helps healthcare professionals make informed decisions, streamline workflows, and enhance patient care.
- Seed
- 3.4k employees
- Founded 2024
7
D-Link USA· Lake Forest, California, United States
One Connection-Infinite Possibilities. D-Link is a trusted leader in the networking solutions industry for 40+ years and is dedicated to help provide customer satisfaction every step of the way. Partnering with us means gaining a networking partner that prioritizes customer satisfaction. From the initial pre-sales support and no-obligation project surveys to backing many of our products with real lifetime warranties, D-Link is committed to helping with your success. To support the requirements of government and enterprise deployments, many D-Link business solutions follow NDAA (National Defense Authorization Act) and TAA (Trade Agreements Act) regulations, for enhanced trust and compliance. Please refer to individual product documentation for specific compliance details. Trust in our expertise, our products, and exceptional customer service to help drive your networking infrastructures forward. Our customers include Fortune 500 companies, government agencies, hospitality, education, casinos, franchises, surveillance, and dynamic fields such as the medical device industry, robotics, and automation. With a global presence in 90+ countries, we have solidified our position as the go-to partner for businesses across diverse sectors. Experience the difference that D-Link can make for your networking needs. Contact Our Business Solutions Sales Team at : 888.354.6574 (option 2) or solutions@us.dlink.com
- Seed
- 2.9k employees
- Founded 1986
8
Varonis· Miami, Florida, United States
Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection. Core offerings include the Varonis Data Security Platform for AI-native data security, Varonis Atlas for safe and trustworthy AI, Varonis Next-Gen DAM for database security, and Varonis Interceptor for preventing AI-powered social engineering threats. Backed by 24×7×365 expert-led detection and response, Varonis enables organizations to confidently adopt AI, reduce data exposure, and simplify security operations in an evolving threat landscape. Trusted by thousands of leading global enterprises, Varonis is the partner security teams rely on to automatically and effortlessly protect their most critical data and safely accelerate AI innovation.
- Seed
- 2.8k employees
- Founded 2005
9
GoTo· Boston, Massachusetts, United States
As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset. Our secure, reliable, and AI-enabled solutions are simple to adopt for small and midsize businesses and scalable to enterprises worldwide. Customers around the world rely on our products—GoTo Connect, LogMeIn Rescue, LogMeIn Resolve, GoTo Webinar, Grasshopper, and more—for consistent high performance and unbeatable uptime on any device.
- Seed
- 2.6k employees
- Founded 2003
10
Skip· Winnipeg, Manitoba, Canada
Skip is Canada's only homegrown delivery network. Born in the Canadian prairies, Skip is now part of a global network as a division of Just Eat Takeaway.com. Our Canadian headquarters in Winnipeg and Toronto are home to over 1,200 team members supporting all business pillars from marketing and account management to technology and senior leadership. Every day, we connect millions of Canadians in over 450 cities and towns with over 50,000 partners including restaurant, retail, convenience, grocery and more! Skip is a tech company with an entrepreneurial spirit and the drive to be the best. We're a people-first, collaborative company with a fun, dynamic and innovative environment. Our vision is to empower everyday convenience and we are here to help Canadians Skip to the good part! Whether it’s a Friday-night feast, a post-gym poke bowl, grabbing some groceries, sunscreen, or a last-minute gift, our tech platform connects tens of millions of customers worldwide with everyday essentials. At Skip, we work to make sure all voices are heard, all differences are valued, and all people are treated fairly. Our people’s input and uniqueness are not only embraced, but make an impact on a nationally loved brand with deep Canadian roots and global reach.
- Seed
- 2.4k employees
- Founded 2012

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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 8,428 matching 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: Wed, 05 Aug 2026 09:25:49 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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