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dev-sidecar is a lightweight network-utility utility in the Developer-Tools category that Greper maintains at version 2.0.0, the fifteenth release since the project began. Inspired by the service-sidecar pattern popular in service-mesh architectures, the application runs as a local proxy that transparently intercepts outgoing HTTPS calls and reroutes them through domestic acceleration channels, cutting latency for Chinese developers who need reliable access to otherwise slow or intermittently blocked resources such as GitHub releases, container registries, language-package mirrors, or CDN-hosted documentation. After installation the program listens on a configurable local port; once a developer points the operating-system proxy or individual tools like Git, Docker, npm, go get, curl, or Visual Studio Code to that endpoint, every subsequent request is automatically examined and, when it matches an internal ruleset of known slow domains, silently relayed through the nearest optimized node. The graphical tray interface shows real-time throughput, success rates, and the specific routes being used, while an advanced tab allows adding custom target domains, switching between several preset channel profiles, or toggling certificate interception for endpoints that require SNI rewriting. Because all traffic remains inside the developer’s own machine until it exits through the accelerated tunnel, existing authentication headers or private tokens are preserved without extra configuration. The proxy core is written in Node.js and consumes minimal memory, so it can stay resident alongside IDEs, CLI tools, or CI runners without noticeable overhead. dev-sidecar is available for free on wget.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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