Pinned
When Viking became a shareholder in Callstack, I knew we were setting out to deliver an ambitious plan. I wanted to build Callstack into a globally significant technology company. Viking believed in what we had already built and in how far we could go.
Today is the next chapter
🎉 @margelo_com Joins Callstack to Advance High-Performance React Native Engineering
Vienna, Austria. 1 September 2026. Callstack, a leader in React Native and cross-platform development, today announced that Margelo, the Vienna-based high-end engineering company behind Nitro
