Marketcalls

charting library

OpenAlgo Charts: Open Source Charting Platform and Trading Terminal You Can Build On

OpenAlgo Charts is a free and open source charting engine and trading terminal with 102 indicators, 85 drawing tools, market replay,...
Rajandran R
Sep 17, 2026 4 min read

TradingView Lightweight Historical Charts using OpenAlgo – Python Tutorial

Learn how to download and visualize historical stock market data using OpenAlgo and TradingView’s lightweight charting library — all in Python....
Rajandran R
Jun 13, 2025 11 min read