zaplin ZapLib by: zaplin .NET Framework 4.7.2 40,811 total downloads last updated 4/24/2024 Latest version: 2.4.6 Zap Lib API https://github.com/LinZap/ZapLib PDFLib by: zaplin .NET Framework 4.7.2 2,471 total downloads last updated 9/29/2022 Latest version: 1.1.3 PDF Lib Watermark PDF Watermark Lib