OptaPlanner
Java Constraint Solver to solve vehicle routing, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems. (by kiegroup)
gecode
Generic Constraint Development Environment (by Gecode)
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| OptaPlanner | gecode | |
|---|---|---|
| 30 | 3 | |
| 130 | 261 | |
| 15.4% | 1.9% | |
| 8.0 | 0.0 | |
| 10 days ago | 22 days ago | |
| Java | C++ | |
| Apache License 2.0 | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
OptaPlanner
Posts with mentions or reviews of OptaPlanner.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-06-23.
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OptaPlanner VS timefold-solver - a user suggested alternative
2 projects | 23 Jun 2023
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Resource Scheduling
However, if you need to solve constraints etc., see: https://www.optaplanner.org/
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Anything you wish there was an open source solution for?
Try looking for something built around Optaplanner - basically taking the end game of rostering and working backwards.
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Seeking Advice and Collaboration for an Open-Source Worker Cooperative Platform Project
OptaPlanner takes some of the items tracked in tool like Odoo and creates plans based on them. I.E. how do you manage shifts while juggling multiple constraints (Jerry can only work weekends, Jeff can only work afternoons, Jim can work weekends but only on double time, etc.)
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[Combinatorial Optimization] What is a good algorithm, or genre of algorithms that I should read up on for an optimization problem with a set of sets, where at least one element of each set is required?
There is a library out there called Optaplanner that is designed for optimization of NP complete problems. It is hard to tell if that is exactly what this is, but I think you should be able to use this regardless.
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Searching for something to schedule IT helpdesk shifts
Just stumbled upon https://www.optaplanner.org. Looks very interesting but also really overkill.
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Easy-to-use school scheduling software?
OptaPlanner - a generic scheduler.
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Non profit Healthcare clinic looking for self hosted or cheap cloud alternative employee shift scheduling app?
OptaPlanner
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Self-hosted schedulers?
I've never used it but it sounds like OptaPlanner may be a scheduler in the same vein?
- Algorithm for Assigning Flights to Planes
gecode
Posts with mentions or reviews of gecode.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-07-21.
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Send+more=money and how to use forward-checking in search
Sure, there are lots but I think it should be doable. Will probably try sometime. Easiest is to make a model that fixes the lengths of the words, and just run it for different word lengths.
As a comparison, see this model solving crosswords using constraint programming. https://github.com/Gecode/gecode/blob/develop/examples/cross...
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Testing non-trivial software (C++)
The main idea is that one defines tests that post the propagator on an initial domain, and then adding a checker for ground instances if it is a solution. The testing infrastructure runs the propagator in simulated setting, making sure that non-solutions are pruned and that solutions are found. Here is an example for the sorted constraint: sorted.cpp
What are some alternatives?
When comparing OptaPlanner and gecode you can also consider the following projects:
Choco - An open-source Java library for Constraint Programming
or-tools - Google's Operations Research tools:
Decider - An Open Source .Net Constraint Programming Solver
jsprit - jsprit is a java based, open source toolkit for solving rich vehicle routing problems
decider - A web application that assists network defenders, analysts, and researchers in the process of mapping adversary behaviors to the MITRE ATT&CK® framework.
JaCoP - Java Constraint Programming solver
Google Test - GoogleTest - Google Testing and Mocking Framework
vroom - Vehicle Routing Open-source Optimization Machine
biteopt - Derivative-Free Global Optimization Method (C++, Python binding)
kotlin-statistics - Idiomatic statistical operators for Kotlin
Komputation