--- layout: default title: "OpenTally: Advanced online election counting" --- <!-- Header--> <header class="bg-dark py-5"> <div class="container px-5"> <div class="row gx-5 align-items-center justify-content-center"> <div class="col-lg-8 col-xl-7 col-xxl-6"> <div class="my-5 text-center text-xl-start"> <h1 class="display-5 fw-bolder text-white mb-2">Advanced online election counting</h1> <p class="lead fw-normal text-white-50 mb-4">Count instant runoff and single transferable vote elections for free, no downloads or sign-up required</p> <div class="d-grid gap-3 d-sm-flex justify-content-sm-center justify-content-xl-start"> <a class="btn btn-primary btn-lg px-4 me-sm-3" href="{{ site.baseurl }}/stv/">Launch OpenTally</a> <a class="btn btn-outline-light btn-lg px-4" href="{{ site.baseurl }}/docs/quick-start.html">Quick Start Guide</a> </div> </div> </div> <div class="col-lg-8 col-xl-5 col-xxl-6 d-block text-center"><img class="img-fluid rounded-3 my-5" src="{{ site.baseurl }}/assets/headerimg.png" alt="Screenshot of OpenTally" /></div> </div> </div> </header> <!-- Features section--> <section class="py-5 bg-light" id="features"> <div class="container px-5 my-5"> <div class="row gx-5"> <div class="col-lg-4 mb-5 mb-lg-0"><h2 class="fw-bolder mb-0">Key features</h2></div> <div class="col-lg-8"> <div class="row gx-5 row-cols-1 row-cols-md-2"> <div class="col mb-5 h-100"> <h2 class="h5">Runs in your browser</h2> <p class="mb-0">No downloads or sign-ups are required. OpenTally counts are computed entirely inside your browser, and no data ever leaves your computer.</p> </div> <div class="col mb-5 h-100"> <h2 class="h5">Wide range of STV systems</h2> <p class="mb-0">OpenTally supports Gregory (inclusive and exclusive, weighted and unweighted), Meek and Wright variants of the single transferable vote.</p> </div> <div class="col mb-5 mb-md-0 h-100"> <h2 class="h5">Support for arbitrary constraints</h2> <p class="mb-0">OpenTally is the only publicly available election counting software to support arbitrary combinations of constraints, such as gender quotas and other affirmative action requirements.</p> </div> <div class="col h-100"> <h2 class="h5">Free and open source</h2> <p class="mb-0">Source code for OpenTally is publicly available under the <a href="{{ site.git_url }}/tree/COPYING">GNU AGPLv3</a>.</p> </div> </div> </div> </div> </div> </section> <!-- Blog preview section--> <section class="py-5"> <div class="container px-5 my-5"> <div class="row gx-5 justify-content-center"> <div class="col-lg-8 col-xl-6"> <div class="text-center"> <h2 class="fw-bolder">From our blog</h2> <p class="lead fw-normal text-muted mb-5">Latest news and posts from the OpenTally blog</p> </div> </div> </div> <div class="row gx-5"> {% include_relative _news.html %} </div> <div class="row gx-5 justify-content-center"> <div class="col-8 text-center"> <a class="btn btn-outline-primary btn-lg px-4" href="{{ site.url }}/blog/tag/opentally/">Read More</a> </div> </div> </div> </section>