Circos is described as 'Software package for visualizing data and information. It visualizes data in a circular layout — this makes Circos ideal for exploring relationships between objects or positions. There are other reasons why a circular layout is advantageous, not the least being the' and is a charting library tool in the photos & graphics category. There are more than 25 alternatives to Circos for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Circos alternative is D3.js, which is both free and Open Source. Other great apps like Circos are Tableau, RAWGraphs, Plotly and Google Charts.