Originally published on AI Tech Connect.
The 5M-install moment — what crossed it and when Cline, the open-source coding-agent that lives in a sidebar next to your editor, is reported to have crossed five million installs across its supported surfaces in May 2026, per DEV community coverage and Cline project reports. The number itself is a milestone for any developer-tools project. What makes it noteworthy is the context: it happened in the same quarter that the three best-known closed coding-agent products — Cursor, Claude Code and Windsurf — all repriced their plans, tightened limits and recalibrated their value propositions. Coverage at DEV.to and shareuhack both flagged the 5M figure as the headline number to watch. For a project that ships under an Apache 2.0 licence and has no paid tier, no subscription gate, and no…
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