About VoidZero
VoidZero is a Technology company based in Palo Alto (United States) founded in 2021 by Evan You, and was acquired by CloudFlare in June 2026. Open source JavaScript tools for web application development are offered. VoidZero has raised $17.1 million across 2 funding rounds from investors including CloudFlare, Accel and Johannes Schickling. Its chief executive, as recorded, is Evan You. Its website voidzero.dev draws about 101 thousand monthly visits. VoidZero offers products and services including Vite, Vitest, Rolldown, and Oxc. Its focus areas include Enterprise Infrastructure, Software Libraries, Generic Libraries and Application Development. Its legal entity is VoidZero Inc. Its competitors include Laravel, Reflex and Sails; 3 of its 3 listed competitors have raised funding.
Company details
VoidZero was established in 2021 in Palo Alto, United States, as an open source platform focused on web application development. A JavaScript toolchain is provided to support processes such as parsing, transforming, linting, formatting, bundling, minification, and testing of applications. Operations center on streamlining development workflows within the software sector, with tools designed for JavaScript-based projects.
- Headquarters Palo Alto, United States
- Founders Evan You
- Stage Acquired
- SectorsTechnology
- Website voidzero.dev
- Social LinkedIn X
- Acquired by CloudFlare (Jun 2026)
- Legal Name Voidzero Inc.
- Total Equity Funding$17.1M (USD)
in 2 rounds
- Latest Funding Round$12.5M (USD), Series A
Oct 2025
- InvestorsCloudFlare
& 15 more
- Acquired byCloudFlare
(Jun 2026)
Products & Services of VoidZero
VoidZero offers a comprehensive portfolio of products and services, including Vite, Vitest, Rolldown, and Oxc.
High-speed build tool for web applications.
Next-generation test runner for JavaScript code.
Fast JavaScript bundler for optimized outputs.
Comprehensive toolchain for JavaScript parsing and more.
Funding Insights of VoidZero
VoidZero has successfully raised a total of $17.1M across 2 strategic funding rounds. The most recent funding activity was a Series A round of $12.5 million completed in October 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $17.1M
- Total Rounds 2
- Last Round Series A — $12.5M
- First Round $4.6M
(Nov 2024)
- Investors Count 15
All 2 funding rounds of VoidZero with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
16 investors in total: 7 institutional and 9 angel.
Investors in VoidZero
VoidZero has secured backing from 16 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include CloudFlare, Accel and Johannes Schickling.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Accel is recognized as a leading venture capital firm. | 1983 | accel.com | Palo Alto, United States | |
Technical founders are supported through early-stage venture capital investments. | amplifypartners.com | Menlo Park, United States | ||
Early stage capital is provided for technology founders by PWV. | pwv.com | |||
Venture capital firm investing in startups and providing support programs. | peakxv.com | |||
Sunflower Capital is engaged in early-stage venture capital investments. | sunflowercapital.co | |||
Early-stage tech venture capital investments are managed by BGZ. | 2020 | bgzsg.com | Singapore, Singapore | |
Cloud based website security solutions | 2009 | cloudflare.com | San Francisco, United States | |
JS Johannes Schickling | Angel investor and entrepreneur, co-founder of Prisma, focused on tech startups | unknown_de2028ccf0824020a | ||
PC Paul Copplestone | Co-founder of Supabase, active angel investor in Indian startups | unknown_1f318d8d58294e15a | ||
DC David Cramer | Co-founder of Sentry, active angel investor in tech startups. | unknown_efd0c10c386a4964a |
Investor details for VoidZero
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of VoidZero
1 people are tracked at VoidZero (1 in leadership).
| Name | Role | Group |
|---|---|---|
Evan You | Founder & CEO | Leadership |
Complete people profiles for VoidZero
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of VoidZero
4 dated milestones of VoidZero across 5 years, from founding to its latest funding, stage changes and deals.
- Founded VoidZero is founded.
- Funding First funding round of $4.6M.
- Funding Latest funding round, Series A, of $12.5M.
- Exit Acquired by CloudFlare.
Competitors of VoidZero
VoidZero has 3 listed competitors in our database, 3 of them funded. They include Laravel, Reflex and Sails.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| laravel.com | 2011 | Arkansas, United States | $57M | Open-source PHP framework with PaaS for web hosting provided. | ||
| reflex.dev | 2022 | San Francisco, United States | $5M | Reflex is focused on building web apps using pure Python. | ||
| sailsjs.com | 2012 | Austin, United States | $120,000 | 11 | An MVC framework for Node.js is developed and maintained. |
Detailed competitors of VoidZero
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of VoidZero
The website of VoidZero (voidzero.dev) receives about 100.5K visits a month.
- Monthly visits100.5K
▲ 16.4% vs previous month
Websites whose visitors overlap most with VoidZero. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| github.com | 100% | 542.6M | #65 | View details | |
weijunext.com | weijunext.com | 100% | #12,051,270 | – | |
oxc.rs | oxc.rs | 95% | #275,721 | – | |
leavescn.com | leavescn.com | 92% | #571,344 | – | |
tech.kickflow.co.jp | tech.kickflow.co.jp | 89% | – | ||
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 7 similar websites and full traffic analytics for VoidZero
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 7 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Programming & Software Development Tools
3 companies that operate in the same segment as VoidZero (Programming & Software Development Tools) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Collaborative platform for design prototyping and feedback is provided. | 2012 | San Francisco, California, United States | USD 748.62 M | 2,877 | ||
AI-based platform for secure collaboration and content management is utilized. | 2005 | Redwood City, California, United States | USD 692.63 M | USD 1.18 B | 4,447 | |
Automated usability testing and feedback for mobile experiences is provided. | 2007 | San Francisco, California, United States | USD 148.5 M | USD 21.68 M | 557 |
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Frequently Asked Questions about VoidZero
VoidZero was founded in 2021 and raised its 1st funding round 3 years after it was founded.
VoidZero is headquartered in Palo Alto, United States. It is registered at Palo Alto, California, United States.
Evan You is the CEO of VoidZero, as recorded in our data. They have also founded this company.
VoidZero is a funded company, having raised a total of $17.1M across 2 funding rounds to date. The company's 1st funding round was a Seed of $4.6M, raised on Nov 2024.
VoidZero was established in 2021 in Palo Alto, United States, as an open source platform focused on web application development. A JavaScript toolchain is provided to support processes such as parsing, transforming, linting, formatting, bundling, minification, and testing of applications. Operations center on streamlining development workflows within the software sector, with tools designed for JavaScript-based projects.
VoidZero offers Vite, Vitest, Rolldown, and Oxc.
VoidZero has 16 investors. Key investors include CloudFlare, Accel, Johannes Schickling, Amplify Partners, and PWV.
VoidZero operates through Voidzero Inc..
Yes. VoidZero was acquired by CloudFlare in June 2026.
The website of VoidZero receives about 101 thousand visits a month.