Visual FoxPro 9.0 was never open-source. Microsoft discontinued it in 2015 and no longer sells licenses. However:
Visual FoxPro 9.0 remains a powerhouse for data manipulation. While "portable" versions are convenient for quick fixes and legacy support, always ensure you are downloading from a reputable community forum or developer archive. free download visual foxpro 90 portable google high quality
Always scan any downloaded file with Malwarebytes or Windows Defender. Prefer sources that provide SHA-256 checksums. And never use an untrusted portable build for production data without thorough testing. Visual FoxPro 9
Microsoft Visual FoxPro 9.0 Professional Edition : Microsoft : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive Microsoft Visual Fox Pro 9.0 - Internet Archive While "portable" versions are convenient for quick fixes
While there are several Google Drive links hosted by third parties that claim to offer , it is important to exercise caution regarding their safety and legality. Official Status and Legality
The VFP9R.dll , VFP9T.dll , and VFP9RENU.dll files pre-configured. How to Safely Use VFP9 Today