RunKit is the best tool for prototyping server-side JavaScript. RunKit notebooks remove the friction of trying new ideas. With one click, you'll have a sandboxed JavaScript environment where you can instantly switch node versions, use every npm module without having to wait to install it, and even visualize your results.
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"RunKit — Funding & Investors." VCBacked, July 2, 2026, https://www.vcbacked.co/company/runkit. Accessed July 2, 2026.
VCBacked. (2026). RunKit — Funding & Investors. Retrieved July 2, 2026, from https://www.vcbacked.co/company/runkit
{{cite web |title=RunKit — Funding & Investors |url=https://www.vcbacked.co/company/runkit |website=VCBacked |access-date=July 2, 2026}}Profile data sourced and verified per the VCBacked methodology.