EldoS | Feel safer!

Software components for data protection, secure storage and transfer

Callback File System® (CBFS®)

Create and manage virtual filesystems and disks from your Windows applications

Callback File System (CBFS) lets you create virtual file systems and disks that let you expose and manage remote data as if they were files on the local disk.

Callback File System is an SDK (software development kit, component for use in software development) for Windows® platform.

Are you a reseller?

Participate in our partner program.

Do you need to buy a license via authorized local reseller?

Browse the list of our resellers:


Resellers in North and South America

Business IT Source
Business IT Source provides computer hardware and services to customers in the United States at the lowest cost and personalized service.

Catalyst Technology Group USA
Catalyst Technology Group USA, Inc. is a service-disabled veteran-owned company that provides equipment, supplies and professional support services to a broad spectrum of industries, healthcare systems, educational institutions, and local, state and federal government agencies and prime contractors in the United States.

IT1 Source LLC
iT1 Source clients rely on IT1 Source services to fulfill all of their Software, Hardware and Service needs throughout the United States.

Saldit Software
Saldit Software is a distributor of software products of EldoS Corporation in Brazil.

Asia and Pacific

Resellers in Asia (except Middle East) and Pacific region

Ace Pacific Pte Ltd
AsiaPac Value Added IT Security Distributor - Ace Pacific is the valued resource for internet and network security solutions in the Asia Pacific region. Company headquarters is based in Singapore.

Cogito Solutions
Cogito Solutions is a leading software distributor in Asia having offices in Hong Kong, Singapore, Taiwan and China.

Beijing Com&Lan System Tech. Co. Ltd is a professional software reseller in China.

ComponentSource is the authorized reseller of SecureBlackbox components in Asia, including Japan and China.

Idynamic Media
Idynamic Media Company Limited is an IT consulting company that specializes in providing one-stop software solution to clients in Hong Kong.

KREIS I&C is a provider that specialized in providing a variety of computer softwares, located in Korea.

Micrographics is one of the largest software distribution companies in India. Our goals are to continuously bring the global software and technologies to the growing Indian market.

Select India -- Select Software (I) Pvt Ltd.
Software Distribution support & services to serve the need of IT/Corporate sector in India & their international locations.

You will find our software for developers on ViewSlip site. This service is available only for customers from China.

Leading Software Development and Solution Outsourcing Provider in Greater China region.

Europe and Middle East

Resellers in Europe and Middle East

6Kare is a Turkey based software development company especially specialized on Business Process Management and Digital Signature. 6Kare also offers consultancy about project management and provide custom software solutions to companies.

ByteWay, Italian based company (also international sales), is a project oriented consulting and distribution enterprise, specialized in providing enabling technologies, toolkits and related consultancy for software integration, especially in the fields of imaging and technologies.

Compuwave GmbH
Compuwave GmbH was founded in 2007 and primarily works with channel partners European wide focusing on the <a>Germany, Austria, Switzerland and France</b> region. The company specializes in selling software, software procurement and licensing consulting.

Comsoft-SOS Developers
Software B to B reseller for 20 years old, Comsoft-SOS Developers distribute more than 35 000 articles within French territory.

Gravizz Management
Gravizz Management Company specializes in distribution of software (of which specialist software), computer parts, structure of network, computer systems, servers and mass-storage products - Hardware, Software and Installation-Support in Poland.

KSI Tecnologia Digital
The mission of KSI Tecnologia Digital, our representative in Spain, is the assecurance of the information mainly focusing on electronic billing and digital signature, but widely securing information.

Prodmag.ru is created on the basis of Systems-21 IT-company located in Moscow, Russia. It offers various software to customers in Russia.

QBS Software Ltd.
Initially established to provide tools to the developer community, QBS Software has expanded to become a leading software supplier in UK and Europe providing thousands of products to developers, designers, IT Managers, Network Administrators, DBAs and Corporate Buyers.

Seneka Software Corporation
Seneka Software Corporation, based in Ankara – Turkey, was established to offer its clients a complete solution which covers the design, development and deployment of applications for government organizations.

Serveis Informatics Help-Pc, S.L.
Serveis Informàtics Help-Pc, S.L. is a company that operates on Spanish and Portuguese market since 1989 with a part of ICT systems and elsewhere to the manufacture of safety equipment for attendance control, access control, parking and control software development for those teams.

Sharepoint Solutions s.r.o
SharePoint Solutions s.r.o. is Czech based technological company focused on SharePoint and Office365 products and technologies (administration, development, consulting services) and custom cloud development (Windows Azure).

Softense Ltd.
Softense Ltd. is a software reseller and distributor in Israel, specializing in providing international software licensing to commercial and institutional customers. Company customers are varied and include government ministries, major industrial corporations, universities, high-tech, startup companies and many others.

SoftKey is a Russian order processing company that accepts russian currency and online currency systems.

Software Sources Ltd.
Software Sources Ltd. is a software reseller, located in Israel.


International resellers, that operate worldwide.

ComponentSource is the authorized reseller of tools and components for software development. Currently ComponentSource offers SecureBlackbox components worldwide.

Insight (Insight Enterprises, Inc.)
Insight designs and deploys total IT solutions that address your distinct goals and challenges. Insight serves clients in over 170 countries.


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