How does the open-source and open-core business model work in 2027?
Published Jun 14, 2026 · Updated Jun 14, 2026
Direct Answer
Commercial open source (COSS) is the business of monetizing "free" software, and in 2027 it runs on three proven models — support-first, open-core, and managed service — while companies increasingly relicense to defend against cloud providers free-riding on their code. The leaders prove the model: Red Hat pioneered support-first (software 100% open, sell a subscription for enterprise-grade support); MongoDB, GitLab, HashiCorp, and Elastic run open-core (the core is free, premium features and enterprise capabilities are paid); and MongoDB Atlas shows the managed-service path (sell the hosted, operated version).
Monetization spans per-seat, usage-based, feature-based, and support/SLA pricing. The defensive trend is relicensing: the Business Source License (from MariaDB, adopted by Sentry, Cockroach Labs, and HashiCorp) imposes time-limited commercial restrictions that convert to permissive after 3–4 years, while MongoDB's SSPL was built to stop cloud providers from monetizing its work.
For operators, COSS is a clean lesson in monetizing free adoption, the freemium-to-paid funnel, and defending against free-riders.
1. Monetizing "Free"
Free drives adoption, paid captures value
The COSS paradox: the software is free, yet the business makes millions. Free drives massive adoption — developers try it, deploy it, and build on it without friction — and the company captures value from a subset who pay for support, premium features, or the managed version.
Free is the acquisition engine; paid is the monetization.
Why free works as a funnel
Open-source adoption is a bottoms-up funnel — engineers adopt the free tool, it spreads through the organization, and eventually the company needs enterprise features, support, or hosting it will pay for. The free tier is the widest top of funnel possible, and the paid conversion happens once the product is embedded and indispensable.
2. The Three Models
Support, open-core, managed
There are three dominant ways to monetize:
- Support-first (Red Hat) — software is 100% open; sell a subscription for enterprise support and SLAs.
- Open-core (MongoDB, GitLab, HashiCorp) — the core is free; premium and enterprise features are paid. The most popular model.
- Managed service (MongoDB Atlas) — sell the hosted, operated version so customers do not run it themselves.
Choosing the model
Each monetizes a different need: support (reliability), open-core (advanced capability), managed service (operational convenience). The strongest companies often combine them — HashiCorp sells open-core subscriptions plus cloud plus support and training. The model follows where customers feel pain they will pay to remove.
3. Defending Against Free-Riders
The cloud-provider threat
The biggest threat to COSS is a cloud provider taking the free software, offering it as a managed service, and capturing the revenue the creator hoped to earn. This free-riding is why companies relicense — changing the terms so a hyperscaler cannot simply monetize their work.
Relicensing as defense
MongoDB's SSPL and the Business Source License (MariaDB, adopted by Sentry, Cockroach Labs, HashiCorp) are defensive moves. BSL imposes time-limited commercial restrictions that convert to permissive after 3–4 years — protecting the creator's monetization window while eventually returning the code to the community.
Relicensing is the COSS answer to free-riding by those with greater distribution.
4. The RevOps and Strategy Lessons
Use free as the top of the funnel
The clearest lesson is that free can be the most powerful acquisition channel. COSS gives the product away to drive bottoms-up adoption, then monetizes the subset that needs more. Operators should consider where a free tier (open source, freemium, a free tool) can drive adoption that paid features, support, or hosting later convert — the free top of funnel is wide and cheap.
Monetize the need the free version creates
COSS monetizes the need free adoption creates — reliability (support), capability (features), convenience (managed). Operators running any freemium model should identify the specific pain that emerges once the free product is embedded, and price the paid offering against that need.
The conversion happens where the free version leaves a gap the customer will pay to fill.
Defend your value against free-riders
The relicensing trend warns that a party with greater distribution can capture the value you created from free software. Operators building on open or freely copyable value should plan a defense — licensing, a managed-service moat, brand, or speed — against larger players who could free-ride.
Giving value away requires a deliberate plan to capture your share before someone with more reach does.
5. What to Watch
The questions for 2027 are how relicensing battles resolve (community backlash versus commercial defense), how AI companies adopt open-source strategies, and whether managed-service moats hold against the hyperscalers. With Red Hat, MongoDB, GitLab, and HashiCorp proving the models at scale, COSS is an established path — but the free-rider tension persists.
The durable lessons stand: use free as the top of the funnel, monetize the need free adoption creates, and defend your value against free-riders.
FAQ
What is commercial open source (COSS)? The business of monetizing free software — giving the software away to drive adoption, then capturing value from a subset who pay for support, premium features, or a managed version. Red Hat, MongoDB, GitLab, and HashiCorp built large businesses this way.
What are the main open-source business models? Three: support-first (software 100% open, sell enterprise support — Red Hat), open-core (free core, paid premium features — MongoDB, GitLab, HashiCorp), and managed service (sell the hosted version — MongoDB Atlas). Strong companies often combine them.
Why do companies relicense their open-source software? To defend against cloud providers taking the free software, offering it as a managed service, and capturing the revenue. MongoDB's SSPL and the Business Source License (MariaDB, Sentry, Cockroach Labs, HashiCorp) impose commercial restrictions to protect the creator's monetization.
How does open source make money if it's free? Free drives adoption (the acquisition funnel), and the company monetizes the subset that needs enterprise support, premium features, or hosting once the product is embedded. Free is the top of funnel; paid converts the embedded users.
What can operators learn from COSS? Use free as the top of the funnel to drive adoption, monetize the specific need free adoption creates (support, capability, convenience), and defend your value against free-riders with larger distribution.
Bottom Line
Commercial open source monetizes free software through three proven models — support-first (Red Hat), open-core (MongoDB, GitLab, HashiCorp), and managed service (MongoDB Atlas) — using free adoption as the widest top of funnel and converting the subset that needs more.
The relicensing trend (SSPL, Business Source License) defends against cloud free-riders. For operators, the lessons are exact: use free as the top of the funnel, monetize the need free adoption creates, and defend your value against free-riders.
Sources
- CossA — The commercial open source playbook: how to build a business on "free"
- Monetizely — Monetizing open-source software: pricing strategies for open-core SaaS
- Palark — How companies make millions on open source
- Monetizely — What open source license protects your SaaS business model best?
- Scarf — How to get the attention of an open source software investor
- TechCrunch — How to turn an open-source project into a profitable business
*Open source business review — commercial open source reviews, rating, open-core review 2027, and a review of monetizing free, the freemium funnel, and defending against free-riders for operators.*