We build mathematical optimization tools for Java developers.
ojAlgo
ojAlgo is our open source library for
the JVM: LP, QP and MIP solvers and fast linear algebra, in pure Java with zero
dependencies. MIT licensed, in development since 2003.
Start with the Optimisation Cookbook.
For AI coding assistants
ojAlgo-skills teaches Claude,
Codex and other assistants to write correct ojAlgo code: optimisation models,
linear algebra and portfolio optimisation. Listed in Claude's plugin directory
as ojAlgo.
Optimisation Service
When a model needs more solving power, run the same model on a best-of-breed
suite of solvers. The Optimisation Service is a container you deploy in your own
cloud or cluster, or try on the public shared instance; your Java code talks to it
through a small client with no native code. Learn more.
Support
Priority support and consulting for teams building on ojAlgo, through one
subscription.
Nobody knows the library better – we wrote it.
Agent skills for AI coding assistants (Claude, ChatGPT/Codex): write correct ojAlgo code for LP/QP/MIP models, linear algebra and portfolio optimization.
Java client for Optimatika's Optimisation Service: solve LP, QP and MIP models remotely with HiGHS, SCIP and Clarabel, with no native code in your application.
Benchmarks ojAlgo's pure Java LP, QP and MIP solvers against HiGHS, OR-Tools, Clarabel, CPLEX, Gurobi, MOSEK and others on Netlib, Maros-Meszaros and MIPLIB.
Benchmarks ojAlgo's pure Java LP, QP and MIP solvers against HiGHS, OR-Tools, Clarabel, CPLEX, Gurobi, MOSEK and others on Netlib, Maros-Meszaros and MIPLIB.
optimatika/ojAlgo-mathematical-programming-benchmark's past year of commit activity
Java client for Optimatika's Optimisation Service: solve LP, QP and MIP models remotely with HiGHS, SCIP and Clarabel, with no native code in your application.
optimatika/optimisation-service-client's past year of commit activity
Agent skills for AI coding assistants (Claude, ChatGPT/Codex): write correct ojAlgo code for LP/QP/MIP models, linear algebra and portfolio optimization.
optimatika/ojAlgo-skills's past year of commit activity
1,100+ LP, QP and MIP test models (MIPLIB, QPLIB, Netlib, Maros-Meszaros, Meszaros) as a Maven artifact, for testing and benchmarking optimization solvers.
optimatika/optimisation-models's past year of commit activity
Mathematical Programming System
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Updated Oct 27, 2026
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