Anti-Trojan-Source vs Perforce Klocwork: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Anti-Trojan-Source is a free static application security testing tool. Perforce Klocwork is a commercial static application security testing tool by Perforce Software. Compare features, ratings, integrations, and community reviews side by side to find the best static application security testing fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security teams responsible for supply chain risk or code review workflows should deploy Anti-Trojan-Source if unicode bidi attacks represent a realistic threat to your codebase; this is the only free tool that catches this specific injection vector before compilation. The 62 GitHub stars and active maintenance signal a project that understands the attack pattern deeply, though the narrow focus means it solves one problem well rather than serving as a general SAST platform. Skip this if you're looking for a centralized scanner to catch SQL injection, XSS, and credential leaks alongside trojan source; Anti-Trojan-Source is a surgical addition to your gate, not a replacement for broader static analysis.
Development teams shipping C, C++, and Java at scale will get the most from Perforce Klocwork because its differential analysis mode catches regressions in changed code without slowing down the build pipeline. It supports MISRA C/C++ and AUTOSAR C++ 14 out of the box, which matters if you're embedded systems or automotive; most SAST tools treat safety standards as an afterthought. Skip this if your codebase is predominantly Python or JavaScript and you need deep data flow analysis for third-party dependencies, where Klocwork's strength in compiled languages becomes a liability.
