Diagramm Sans designed by HarmnesslessType is a geometric Neo-Grotesk with deep and small joins. It comes in 18 weights, 9 uprights from Thin to Black and its italics. Diagramm may look familiar but has a modern and contemporary feel at the same time.
It supports all European Latin languages and it includes Open Type features like ligatures, old style figures or case sensitive forms among others. This font is free for PERSONAL USE. Link to purchase full version and commercial license : HERE