Best Open Source Data Visualization Tool in 2025

In 2025, we're witnessing a strong shift towards open source data visualization tool. Why? Because they offer the flexibility, customization, and cost-effectiveness that proprietary solutions often lack. Organizations now demand tools that are adaptable to their specific workflows and can be easily integrated into existing systems. Among the leading players in this space, Helical Insight stands out as one of the most powerful and versatile open source data visualization platforms available.