- FEM with Solidworks Simulation (included in SolidWorks Premium package) and SWS-Bolt-Analyis is available online and as a standalone version for Windows PCs
- Analytic according to VDI 2230 Part 1 or Part 2 with Analytic-Bolt-Analysis, online and free
- Estimated with BoltCalc-Phone, fast, online and free
- Calculation of the tightening torque with TorqueCalc-Web, online and free