Free
Free
Homepage and download area provide Choco under an open-source BSD license at no charge.
- Access
- Homepage and download area provide Choco under an open-source BSD license at no charge.
Choco
● Identity checkedOptimization library · Vendor site 2026-10-04
Choco-solver is a free open-source Java library for constraint programming where users declare constraints on decision variables and the solver alternates filtering algorithms with search to find feasible solutions.
- Category
- Optimization library
- Free access
- Homepage and download area provide Choco under an open-source BSD license at no charge.
- API access
- Library API is documented via tutorials, FAQ, and Javadoc linked from the project site.
Is Choco right for you?
A good fit for
Researchers and engineers modeling combinatorial optimization or scheduling problems in Java who need a CP solver embeddable in applications.
Before you choose
Performance and scalability depend on model encoding; commercial support is community-driven via GitHub contributions.
Java CP solver
Choco-solver gives Java developers a declarative way to express feasibility and optimization problems and let the engine propagate constraints during search.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Constraint programming | Homepage describes declarative constraint models solved by filtering and search. | Facts sourced | 2026-10-04 |
| License | Site states Choco is distributed under the BSD license. | Facts sourced | 2026-10-04 |
Understand the total cost
Choco pricing & plans
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Frequently asked questions
What is Choco used for?
Choco-solver is a free open-source Java library for constraint programming where users declare constraints on decision variables and the solver alternates filtering algorithms with search to find feasible solutions.
Does Choco have a free plan?
Homepage and download area provide Choco under an open-source BSD license at no charge.. This record lists ongoing free access; check the plan limits before starting.
How much does Choco cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Choco through an API?
Library API is documented via tutorials, FAQ, and Javadoc linked from the project site.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Performance and scalability depend on model encoding; commercial support is community-driven via GitHub contributions.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.