XolidoSign

XolidoSign is an advanced document management solution falling under the Office Tools category. The latest version, 2.2.1.57, comes with numerous features designed for seamless electronic signature and verification processes. Developed by Xolido Systems, S.A., users can easily download and start using XolidoSign for free on a range of operating systems, including Windows XP/XP Professional, Vista, 7, 8, 10, and 11. Previous versions like 2.2, 2.1, and 2.0 have also been significant in providing similar functionalities.

This versatile tool handles not just basic digital signatures but also advanced options such as PKCS7/CMS, as well as CadES-T, CadES-C, and CadES-XL signatures. The variety of supported formats, including PDF, Excel, Word, PowerPoint, and even multimedia files like videos and images, makes it incredibly useful for professionals and everyday users alike. Whether for students, engineers, or any professionals, XolidoSign simplifies the electronic signing process, making it both fast and efficient.

One of the standout features of XolidoSign is the smart verification process. This tool can automatically pair and associate files with their respective electronic signatures and time stamps, providing a validity status check for all involved components. Additionally, XolidoSign supports integrated PDF signatures, allowing both visible and invisible signature fields, thereby catering to different user preferences for document authenticity.

Security is paramount, and this application excels in this aspect by supporting any certificate available in the Windows Certificate Store. This includes SmartCards, allowing for comprehensive revocation status checks using the Certificate Authority, ensuring trust and fewer risks in electronic transactions.

Given that it allows unlimited file sizes and multiple concurrent verification processes, it's a robust choice for extensive usage. Notably, it’s available in multiple languages such as English, Catalan, Basque, French, German, Italian, Portuguese, and Spanish, thus catering to a diverse user base.

In conclusion, XolidoSign brings the new technologies of digital signature and timestamping straightforwardly to every user, helping businesses and government entities to reduce shipping costs related to physical documents while ensuring security in their electronic transactions.

Pros:

• Free download and usage
• Unlimited file size and multiple concurrent verification processes
• Supports a wide array of file formats and signature types
• Secure, using SmartCards and Certificate Authority checks
• Multi-language support catering to diverse user needs

Cons:

• Interface might seem overwhelming initially to non-tech-savvy users
• Advanced features might require understanding of digital signature types and processes.

You may want to check out more software, such as PDF2TXT, PowerPoint to Flash or NJStar Chinese WP, which might be similar to XolidoSign.