New: YUMI-exFAT (Nov 21, 2022), Platform 22.0.1 (Jul 21, 2022)
450+ real apps (49GB), 1 billion downloads, Please donate.
Wammu is an Open Source mobile phone manager that works with many phone models.
For any developers looking at this now or the future, at present Wammu does not ship a Windows binary. They ship the raw Python code and require python-gammu, Python and wxPython installed locally for it to run. It may be possible to bundle these together as I do with gPodder Portable so that could be looked at as a starting point.
Sometimes, the impossible can become possible, if you're awesome!