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5 Takeaways: Selling Open Core to the Government with Sid Sijbrandij
The federal sales process is distinctly different from typical B2B sales. OCV’s founder and GP, Sid Sijbrandij, shares what he’s learned about selling to agencies in the U.S. federal government.
Sid Sijbrandij
•
Feb 2025
Open core
When doing the “right” thing isn’t the right thing
Startup success depends on focus, not just doing the “right” thing. Prioritize what drives growth now, maintain momentum, and choose the path of least resistance to reach your next milestone faster.
Betty Ma
•
Jan 2025
Startups & business
Announcing the OCV Open Source Project Sponsorship Program
OCV launches the Open Source Project Sponsorship (OSPS) Program to help open-source authors grow sustainable projects with funding, strategy, and marketing support. Apply now.
Open Core Ventures
•
Jan 2025
Open core
Let demand steer early-stage open core product development
Early-stage open-core founders: Don’t overcomplicate feature decisions. Let demand guide development, stack rank requests, and price based on users. Build momentum by solving what users ask for most.
Sid Sijbrandij
•
Jan 2025
Startups & business
Open-source creator Anthony Stirling launches Stirling PDF to build the first open-core PDF editing suite
Stirling PDF goes open-core! The first open-source, self-hosted PDF editing suite is expanding with enterprise features, automation, and AI—giving users control without compromising security.
Erica Lindberg
•
Sep 2024
New launches
Introducing External Secrets: Enterprise Secrets Management
External Secrets launches to tackle secret sprawl in enterprise IT. Built on ESO, it syncs secrets across systems, automates access, and simplifies compliance—without storing sensitive data.
Erica Lindberg
•
Aug 2024
New launches
Introducing Locust load testing: Event-driven, test-as-code performance testing suite
Locust Technologies launches with a hosted load testing suite built on open-source Locust. Flexible, code-based, and scalable—Locust makes performance testing easy for developers and enterprises.
Erica Lindberg
•
Aug 2024
New launches
Technical founders need a demand-focused co-founder from the start
Technical founders can’t go it alone—startups need a demand-focused CEO from day one. OCV’s approach to recruiting the right CEO accelerates growth and ensures product-market fit early on.
Sid Sijbrandij
•
Aug 2024
Startups & business
GrapesJS creator founds Grapes Studio Inc. to bring the open-source, multi-project, no-code website editor mainstream
GrapesJS creator Artur Arseniev launches Grapes Studio with OCV to expand the open-source no-code web builder into a SaaS and embeddable Studio SDK, aiming to make web development more accessible.
Erica Lindberg
•
Jun 2024
New launches
Open Charter gives open source users predictability amidst the licensing change trend
License shifts by HashiCorp and Redis erode trust in commercial OSS. OCV’s Open Charter legally commits companies to keeping open-source code open, preventing unexpected licensing changes.
Sid Sijbrandij
•
May 2024
Open core
Duplicati: Zero trust, fully encrypted backup
Duplicati Inc. launches with OCV funding to expand its zero-trust, encrypted backup for enterprises. CTO Kenneth Skovhede will enhance its open-source core and add enterprise-ready features.
Erica Lindberg
•
May 2024
New launches
Long-time open source contributor, Dr. Nick Knize, launches Lucenia Inc. for search and analytics
Dr. Nick Knize launches Lucenia Inc., an open core search and analytics engine built on Apache Lucene, focusing on autoscaling, cloud cost efficiency, and a strong open-source commitment.
Erica Lindberg
•
Mar 2024
New launches
Phaser creator Richard Davey launches Phaser Studio to modernize browser-based game-building
Phaser creator Richard Davey launches Phaser Studio to modernize browser-based game development with Phaser 4, focusing on playable ads and seamless integration across desktop and mobile.
Erica Lindberg
•
Dec 2023
New launches
Don’t listen to feedback from VCs who pass on investing
VCs who pass on investing often give vague or risk-averse feedback—ignore it and focus on improving your pitch, not pivoting your business based on advice from those who don’t believe in it yet.
Sid Sijbrandij
•
Nov 2023
Startups & business
Open source startups with growing communities benefit from passionate people, early signals of PMF, and an existing user base
Open source startups gain a head start with passionate contributors, early product-market fit signals, and an existing user base, making adoption, hiring, and growth easier than traditional startups.
Sid Sijbrandij
•
Nov 2023
Open core
AGPL license is a non-starter for most companies
The AGPL license is risky due to vague compliance rules, corporate resistance, and dual licensing loopholes, often limiting adoption and hindering open source growth.
Sid Sijbrandij
•
Nov 2023
Open core
In-person marketing events are overvalued
In-person marketing events are costly and hard to measure, while content marketing is a cheaper, more effective way for startups to build visibility and drive growth.
Betty Ma
•
Oct 2023
Startups & business
KEDA maintainer Zbynek Roubalik launches Kedify: Enterprise autoscaling for Kubernetes
Kedify, founded by KEDA maintainer Zbynek Roubalik, brings enterprise-ready event-driven autoscaling to Kubernetes, optimizing cloud costs while staying true to open source principles.
Erica Lindberg
•
Oct 2023
New launches
Open core split should be based on features, not on code base
Open core should be split by features based on the buyer, not by separate code bases—keeping all code in one repository simplifies development and improves the user experience.
Sid Sijbrandij
•
Sep 2023
Open core
HashiCorp switching to BSL shows a need for open charter companies
HashiCorp’s switch to BSL highlights the need for open charter companies—legally binding commitments to open source can rebuild trust and prevent future license shifts.
Sid Sijbrandij
•
Aug 2023
Open core
Founder-compensated startups are default dead
Founder-compensated startups are default dead under traditional metrics, but by prioritizing rapid growth over absolute ARR, they can secure funding and scale successfully.
Sid Sijbrandij
•
Aug 2023
Startups & business
Red Hat found a way to get around the GPLv2 license intention with contract law
Red Hat's move to restrict RHEL source code via subscription terms may be legal, but it undermines open source principles, fueling competition and calls for greater transparency.
Sid Sijbrandij
•
Aug 2023
Open core
Open core is a misunderstood business model
Open core sustains open source by balancing community contributions and enterprise features, ensuring a viable, transparent model without compromising the core project.
Sid Sijbrandij
•
Jul 2023
Open core
AI weights are not open "source"
AI model weights aren’t "open source"—they require distinct licensing categories like Open Weights and Ethical Weights to ensure clarity and prevent misleading open-washing.
Sid Sijbrandij
•
Jun 2023
Open core
Artificially constraining your company to one goal creates velocity and creativity
Artificially constraining your company to one ambitious goal fuels creativity, accelerates decision-making, and drives relentless progress toward meaningful growth.
Sid Sijbrandij
•
Jun 2023
Startups & business
The Red Hat model only worked for Red Hat
The Red Hat model of selling open source support and services won’t be repeated—open core is the scalable, investable path for commercializing open source software.
Sid Sijbrandij
•
Apr 2023
Startups & business
Don't listen to the last objection
Prioritize feedback from your heaviest users, not potential customers—true product growth comes from iterating on real user needs, not chasing every last sales objection.
Sid Sijbrandij
•
Mar 2023
Startups & business
Why open core will replace proprietary software as the default
Open core is outpacing proprietary software as the default model, driven by trust, security, and the unstoppable velocity of open source innovation.
Sid Sijbrandij
•
Feb 2023
Open core
Ramatak: the open core platform for mobile gaming built with Godot
Ramatak, built by Godot’s co-founder, expands open source game development with a fully compatible engine, enabling seamless mobile game creation, monetization, and ethical open core innovation.
Erica Lindberg
•
Feb 2023
New launches
Ondsel: making solid modeling tools accessible for everyone
Ondsel, built on FreeCAD, is making solid modeling tools more accessible by enabling web-based collaboration, customization, and open source innovation for engineers, designers, and makers.
Open Core Ventures
•
Jan 2023
New launches
A standard pricing model for open core
A buyer-based pricing model makes open core sustainable, balancing business growth with open-source contributions while avoiding bait-and-switch pitfalls.
Sid Sijbrandij
•
Jan 2023
Open core
Introducing our first public benefit company, Authentik Security
Authentik Security, OCV’s first Public Benefit Company, ensures open source identity management stays transparent, flexible, and sustainable while enabling full-time development and innovation.
Erica Lindberg
•
Nov 2022
New launches
Preventing the bait and switch by open core software companies
Open source isn’t just a license—it’s a company charter. At OCV, we’re making it harder to push the “red button” and lock down open source. Here’s how we’re protecting open core projects.
Sid Sijbrandij
•
Oct 2022
Open core
Why we invested in Mermaid Chart
Mermaid Chart is changing how we communicate. Creating dynamic text-based diagrams removes the clumsy design layer and improves collaboration.
Erica Lindberg
•
Oct 2022
New launches
The rise of observability (o11y): Neanderthals with logs to astronauts with instrument panels
Observability (“o11y”) has undergone a nearly four decade transition: from Apache/NGINX logs, to Nagios, Zipkin/Jaeger/Prometheus, and finally self-serve platforms powered by Kubernetes.
Victor Adossi, EIR
•
Jun 2022
Startups & business
Someone has to pay for the domino
F/OSS projects have many paths to sustainability (we’re partial to open core). This post catalogs the sustainability problem and the various solutions we’ve seen working for F/OSS projects.
Victor Adossi, EIR
•
Apr 2022
Open core
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