Ladybird
Ladybird is a US 501(c)(3) non-profit building an independent web browser engine from scratch in C++ and Rust, funded entirely by tiered corporate sponsorships and donations, targeting developers and early adopters with a 2026 Alpha on Linux and macOS.
- Company typePrivate
- Founded2024
- HeadquartersSan Francisco, United States
- Headcount1–10
- GTM typeB2C
- OfferingSoftware
What Ladybird does
Ladybird is a US 501(c)(3) non-profit organization developing a completely independent web browser and browser engine from scratch. The Ladybird Browser Initiative, headquartered in San Francisco and legally formed in California in 2024, builds the browser as an open-source project led by founder Andreas Kling (former Apple Safari and Nokia/WebKit engineer) alongside a small full-time engineering team of 1–10 people. The product is not a fork of Blink, WebKit, Gecko, or any other existing engine. The codebase is primarily C++ with subsystems incrementally being ported to Rust, and comprises custom components including LibJS (JavaScript engine with a hand-written assembly interpreter and a Rust regex engine that is approximately 6x faster on Octane regexp), LibWasm (WebAssembly with a Cranelift-based JIT delivering roughly 8x improvement on CoreMark), LibWeb (browser engine), and LibMedia (media playback via FFmpeg, supporting VP9, Opus, MP4, MKV, MP3, FLAC, Ogg, WAV). The engine integrates third-party libraries Skia (2D graphics), HarfBuzz (text shaping), curl (networking), OpenSSL (cryptography), SQLite (storage), and pdf.js (inline PDF viewing).
The business model is structured entirely around donations and tiered corporate sponsorships, with no user monetization. Sponsorship levels are Platinum ($100,000/year), Gold ($50,000/year), Silver ($10,000/year), Bronze ($5,000/year), and Copper ($1,000/year), plus individual donations via Donorbox. Sponsors include FUTO, Shopify, and Cloudflare at Platinum; Human Rights Foundation, Proton VPN, and ohne-makler.net at Gold; and a long tail of Silver, Bronze, and Copper sponsors. The organization was seeded by a $1,000,000 family pledge from GitHub co-founder Chris Wanstrath. All sponsorships are unrestricted and carry no influence over the technical roadmap or product direction; board seats are not for sale.
The browser targets two customer segments. The primary near-term audience for the 2026 Alpha release (Linux and macOS) is developers and early adopters who contribute through bug reports, reductions, website testing, security reports, and code contributions via the project's GitHub repository and Discord community. The long-term target is general consumers seeking an independent, privacy-respecting browser free from default search deals, advertising, or data collection. Distribution is entirely digital through the GitHub repository, with Windows support planned after the desktop versions stabilize. The Initiative maintains an 18-month runway policy and tracks web standards compliance through 2,003,690+ Web Platform Tests, 100% test262 JavaScript compliance (52,898 tests), and 100% WebAssembly spec test suite pass rate.
Ladybird firmographics
Firmographics- Name
- Ladybird
- Legal name
- Ladybird Browser Initiative
- Website
- https://ladybird.org
- Company type
- Private
- Founded year
- 2024
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Ladybird is a US 501(c)(3) non-profit building an independent web browser engine from scratch in C++ and Rust, funded entirely by tiered corporate sponsorships and donations, targeting developers and early adopters with a 2026 Alpha on Linux and macOS.
- Ownership category
- akta.pro rank
Ladybird industry classification
Industry- Product category
- Web Browser / Browser Engine
- NAICS
- Software Publishers (513210), Custom Computer Programming Services (541511)
- SIC
- Services-Computer Programming Services (7371), Services-Prepackaged Software (7372)
- akta.pro primary industry
- Developer Tools & DevOps Platform Services (CI/CD, Artifacts, IaC) (HDABAAAI)
Keywords
Where Ladybird is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Ladybird business model
Business model- GTM type
- B2C
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Operations
Revenue model
- Sponsorships: Corporate sponsorships at tiered annual levels (Platinum $100,000, Gold $50,000, Silver $10,000, Bronze $5,000, Copper $1,000). All sponsorships are unrestricted donations with no influence over the project's technical roadmap or product direction. Sponsors are recognized on the website and in project updates. Current sponsors include FUTO, Shopify, Cloudflare, Human Rights Foundation, Proton VPN, 37signals, JetBrains, and many others.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Platinum Sponsorship — $100,000/year |
| Subscription | Annual | Gold Sponsorship — $50,000/year |
| Subscription | Annual | Silver Sponsorship — $10,000/year |
| Subscription | Annual | Bronze Sponsorship — $5,000/year |
| Subscription | Annual | Copper Sponsorship — $1,000/year |
| Subscription | Monthly | Individual Donations — variable amount |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels8 records
Ladybird product offering
Product offeringCore offering
Ladybird develops an independent web browser and rendering engine from scratch, including the LibWeb HTML/CSS engine, LibJS JavaScript engine, and LibWasm WebAssembly engine, along with supporting media, font, and 2D-graphics libraries. The browser is released as free, open-source software and is currently distributed as a Linux and macOS alpha aimed at developers, hackers, and early adopters, with the stated long-term goal of becoming a general-purpose daily-use browser for all users.
Product overview
Ladybird is a single, unified product—a new independent web browser built entirely from scratch with its own browser engine. The browser is developed by the Ladybird Browser Initiative, a 501(c)(3) non-profit organization funded by donations and sponsorships. Ladybird targets desktop platforms (Linux and macOS initially, with Windows planned for later) and aims for its first Alpha release in 2026. The project uses various open-source libraries (Skia for 2D graphics, FFmpeg for audio/video, HarfBuzz for text shaping, curl for networking, OpenSSL for crypto, pdf.js for PDF viewing) to implement web standards compliance and browser functionality.
Differentiator
Problem solved
Functional benefit
Products and services
- Ladybird Browser (alpha)
Quantifiable outcome
- 2,003,690+ Web Platform Tests passing, crossing the 2 million mark in March 2026
- +5 more outcomes
Companies that use Ladybird
Customer profileSegments2 records
Ideal customer profiles3 records
Ladybird technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature9 records
Ladybird partnerships and signals
Strategic signalScale indicators11 records
Recent moves8 records
Expansion highlights5 records
Ladybird competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Ladybird social profiles
Digital presenceLadybird financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ladybird leadership team
Management profileNumber of profiles
Profiles4 records
Ladybird funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ladybird M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ladybird
What does Ladybird do?
Ladybird develops an independent web browser and rendering engine from scratch, including the LibWeb HTML/CSS engine, LibJS JavaScript engine, and LibWasm WebAssembly engine, along with supporting media, font, and 2D-graphics libraries. The browser is released as free, open-source software and is currently distributed as a Linux and macOS alpha aimed at developers, hackers, and early adopters, with the stated long-term goal of becoming a general-purpose daily-use browser for all users.
Is Ladybird a public or private company?
Ladybird is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Ladybird founded?
Ladybird was founded in 2024. It employs 1 to 10 people.
Where is Ladybird based?
Ladybird is headquartered in San Francisco, United States, in the North America region.
How does Ladybird make money?
One revenue line is on record: sponsorships.
Does Ladybird have an API?
No public API is recorded for Ladybird.
What industry is Ladybird in?
Ladybird's product category is Web Browser / Browser Engine. Its primary akta.pro industry code is HDABAAAI, Developer Tools & DevOps Platform Services (CI/CD, Artifacts, IaC). Its NAICS code is 513210 and its SIC code is 7371.