We would like to invite you to contribute an article to a Special Issue of the Journal of Neural Engineering on "Open Source Tools in Systems Neuroscience". The last few years have seen an increasing number of community-developed open source projects become instrumental in enabling cutting edge experiments, broadening access to ensemble neural recording techniques in a variety of animal models, and facilitating the adoption of novel technologies (such as optical recording). The goal of this issue is to catalog these projects and provide a curated resource for interested scientists. All open source hardware and software projects which enable neural data acquisition and/or systems neuroscience experiments are welcome. While we are primarily targeting original results which include detailed protocols and technology demonstration, we will also consider submissions which offer updated reviews of previously documented projects. General author guidelines can be found here (https://mc04.manuscriptcentral.com/jne-iop ) via the 'Instructions, forms and policies' link. At submission, authors should select the 'Special issue article' article type, and then choose the "Open Source Tools in Systems Neuroscience" special issue from the menu at the bottom of the page. The submission deadline is 16 November 2016. We also encourage authors to send a short abstract or tentative title in advance. Please forward this announcement broadly! Thanks, Caleb Kemere, Guest Editor Andrew Malloy, Editor, IOP Publishing