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Grant
Theme fund: NGI0 Entrust
Period: 2023-10 — 2025-06
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Hardware

Topola

Topological (rubberband) router for printed circuit boards

Topola is an open-source topological (rubberband) router for printed circuit boards (PCBs). Unlike traditional maze routers, topological routers like Topola are not constrained by a grid or 45° angles, allowing for more efficient circuit board layouts (denser arrangement of components and traces, lower crosstalk, reflection, and electromagnetic interference). The goal of the project is to develop a dutifully maintained engine for interactive and automatic routing that can be used both as a standalone application and reusable software library integrated in popular open-source PCB electronic design automation (EDA) packages, giving designers a tool for developing high-quality open hardware designs without having to pay for expensive proprietary software.

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This project was funded through the NGI0 Entrust Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101069594.