What Openbsd does

OpenBSD is a free, multi-platform 4.4BSD-based UNIX-like operating system developed entirely by volunteers and based in Canada. Founded in 1995 by Theo de Raadt after his departure from NetBSD, the project emphasizes portability, standardization, correctness, proactive security, and integrated cryptography. It has produced a new release approximately every six months, reaching its 60th release (version 7.9) in May 2026. The project's security record is a defining feature — its slogan highlights 'only two remote holes in the default install, in a heck of a long time' — and it has pioneered numerous OS-level security technologies now adopted industry-wide, including privilege separation, W^X memory protection, ASLR, PIE, pledge(), unveil(), and RETGUARD. A dedicated security auditing team of 6-12 members has continuously reviewed code since 1996.

The core technology consists of a self-contained UNIX-like OS spanning 14 officially supported hardware platforms (alpha, amd64, arm64, armv7, hppa, i386, landisk, loongson, luna88k, macppc, octeon, powerpc64, riscv64, sparc64) and 850MB+ of source code, with a separate fork of OpenSSL (LibreSSL) maintained since 2014. Associated projects extend the platform's reach: OpenSSH (secure remote access, now ubiquitous on UNIX-like systems), OpenBGPD (BGP routing), rpki-client (RPKI validation), OpenNTPD (time), OpenSMTPD (mail), OpenIKED (IKEv2 VPN), and mandoc (documentation).

The business model is non-commercial. OpenBSD is distributed free of charge under ISC or Berkeley-style licenses; the project explicitly rejects GPL for new code. Funding flows entirely through The OpenBSD Foundation, a Canadian non-profit that collects donations to cover development infrastructure and developer hackathons. There is no priced product, no paying customer base, no sales motion, and no headcount of paid staff. The 'customer' base is the global community of individual developers, organizations, and infrastructure operators who download and deploy the OS, and the broader ecosystem of vendors and distributions that consume OpenSSH and LibreSSL. The project's value proposition rests on security provenance, code-quality discipline, and its long track record rather than commercial differentiation.

Name

Openbsd

Legal name

OpenBSD Project

Website

https://openbsd.org

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

101–250 employees

Short description

OpenBSD is a volunteer-developed, free BSD-based UNIX-like operating system founded in 1995 in Canada, emphasizing proactive security and integrated cryptography. It serves developers, organizations, and infrastructure operators globally, and is funded by donations through The OpenBSD Foundation.

Ownership category

akta.pro rank

Headquarters

HQ city

Calgary

HQ country

Canada

HQ region

North America

Markets served

GTM type

B2C

Offering type

Software

Cost components

Operations, Technology or R&D, Infrastructure, Others

Revenue model

1. Donations: The OpenBSD project's development environment and developer events are funded through contributions collected by The OpenBSD Foundation. There is no commercial revenue model as OpenBSD is free software.

Go-to-market motion1 record

Distribution channels5 records

Marketing channels6 records

Core offering

OpenBSD is a free, multi-platform 4.4BSD-based UNIX-like operating system that emphasizes portability, standardization, correctness, proactive security, and integrated cryptography. The project also maintains a portfolio of associated open-source software including OpenSSH, OpenBGPD, OpenNTPD, OpenSMTPD, OpenIKED, LibreSSL, rpki-client, and mandoc. OpenBSD is developed entirely by volunteers and distributed free of charge.

Product overview

OpenBSD is a free, multi-platform 4.4BSD-based UNIX-like operating system developed entirely by volunteers. The core OS emphasizes portability, standardization, correctness, proactive security, and integrated cryptography. The project also maintains numerous associated projects including OpenSSH (secure remote access), OpenBGPD (BGP routing), rpki-client (RPKI validation), OpenNTPD (time synchronization), OpenSMTPD (email delivery), OpenIKED (VPN), mandoc (documentation), and LibreSSL (cryptographic library). The current release is OpenBSD 7.9 (60th release), with version 7.8 released in October 2025.

Differentiator

Problem solved

Functional benefit

Brands

• OpenSSH: Free SSH protocol implementation derived from SSH 1.2.12, now maintained by Markus Friedl, Damien Miller, Darren Tucker, and others. Includes ssh, scp, sftp, ssh-add, ssh-agent, ssh-keygen, sshd, and sftp-server.
• OpenBGPD
• OpenNTPD
• OpenSMTPD
• OpenIKED
• LibreSSL
• mandoc
• rpki-client

Products and services

• OpenBSD Operating System Free, multi-platform 4.4BSD-based UNIX-like operating system emphasizing portability, standardization, correctness, proactive security, and integrated cryptography. Available for amd64, i386, arm64, armv7, sparc64, powerpc64, riscv64, and other hardware platforms.
• OpenSSH Free SSH protocol implementation providing secure remote access, including ssh, scp, sftp, ssh-add, ssh-agent, ssh-keygen, sshd, and sftp-server. Maintained by Markus Friedl, Damien Miller, Darren Tucker, and others; widely deployed across multiple platforms.
• OpenBGPD Free Border Gateway Protocol (BGP) routing daemon written by Claudio Jeker and Henning Brauer.
• OpenNTPD
• OpenSMTPD
• OpenIKED
• LibreSSL
• rpki-client
• mandoc

Quantifiable outcome

• Only two remote holes in the default install across many releases

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature13 records

Partnerships

One partnership is on record.

• USENIX AssociationminorStrategic or Co-development PartnerUSENIX provided a grant to underwrite the production of CDs of OpenBSD 2.5 in 1999, demonstrating early recognition of the project's value. The relationship enabled free distribution of OpenBSD 2.5 to USENIX Annual Conference attendees.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• FreeBSD: Sibling BSD-derived open-source OS project with a comparable volunteer/community governance model, similar KVM/BSDi heritage, and overlapping goals (security, correctness, integrated tooling). The closest direct analog to OpenBSD in scope, licensing philosophy, and release cadence.
• NetBSD: Direct BSD sibling project sharing the 4.4BSD lineage (OpenBSD was actually forked from NetBSD by Theo de Raadt). Highly comparable open-source OS project, similar volunteer-driven structure and permissive licensing, with platform breadth as a primary differentiator rather than security.
• DragonFlyBSD: Fork of FreeBSD focused on a HAMMER filesystem and SMP scalability. Operates as a smaller, volunteer-driven BSD project alongside OpenBSD in the same niche of community-led BSD distributions.
• illumos: Open-source continuation of OpenSolaris. Comparable as an open-source UNIX-like OS developed by a distributed community, targeting enterprise and infrastructure use cases that overlap with OpenBSD's firewall/router/serving niches.

Emerging players

• HardenedBSD: Security-hardened fork of FreeBSD pursuing many of the same goals as OpenBSD (ASLR, PIE, exploit mitigations) on a FreeBSD base. Direct competitor in the niche of security-first BSD distributions.
• Alpine Linux: Security-oriented Linux distribution using musl libc and grsec/PaX-style hardening. Targets container and embedded use cases with a similar security-first ethos; competes for the same security-minded infrastructure buyer.

Broad incumbents

• Debian (Linux distribution): Massive volunteer-driven open-source OS project with similar community/governance ethos but far broader scope (desktop, server, embedded) and much larger installed base. Competes for the same kind of "free UNIX-like" users OpenBSD serves.
• Apple macOS: Commercial UNIX-certified desktop/server OS. Shares the BSD-derived code lineage (Darwin/BSD layer) and competes directly with OpenBSD for security-conscious and developer-oriented users, especially as OpenBSD gains improved Apple Silicon support.
• Microsoft Windows: Largest commercial desktop/server OS. Competes indirectly with OpenBSD for general-purpose workloads; OpenBSD's security record and permissive licensing position it as a strong alternative for security-critical server niches.
• Google ChromeOS / ChromiumOS: Linux-based commercial OS targeting simplified, secure-by-default client computing. Represents the commercial realization of several secure-by-default principles OpenBSD pioneered, and competes in adjacent educational/enterprise endpoints.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key highlights7 records

Customer concentration

• GitHubgithub.com/openbsd
• LinkedInlinkedin.com/company/openbsd

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Openbsd