ESL

ESL is the world's most comprehensive development tool for easily connecting all of your current and legacy systems and presenting your users with an integrated and easy to use windows program.

The latest versions of ESL are available to all of our customers with a support contract and are also available for a 30 day evaluation.

Please don't hesitate to contact us for information on;

product pricing
support contracts
evaluation copies
download instructions for new versions

Please see the news for details of changes and available versions.

We have provided a number of resources here to help you report and resolve problems, suggest improvements and learn about our products.
Do let us know if you think that we could improve things in any way.

For detailed information about each version, as well as a complete history of releases and platforms supported please see the Release Notes.
For download instructions, any other issues including requirements for other platforms, please contact us.

4th March 2024

ESL 24.10 has successfully passed regression testing and is now available for release.

22nd September 2023

ESL 23.20 has successfully passed regression testing and is now available for release.

9th May 2023

ESL 23.10 has successfully passed regression testing and is now available for release.

ESL can now provide support for some 64bit Terminal Emulators.

5th September 2022

ESL 22.20 has successfully passed regression testing and is now available for release.

4th April 2022

ESL 22.10 has successfully passed regression testing and is now available for release.

We are pleased to report that ESL works well with Visual Studio 2022.

Visual Studio 2019 was used for the current build.

1st November 2021

ESL 21.20 has successfully passed regression testing and is now available for release.

We are pleased to report that ESL works well with Windows 11.

7th June 2021

ESL 21.10 has successfully passed regression testing and is now available for release.

9th December 2020

ESL 20.30 is now available for release. There are a few bug fixes and enhancements with an emphasis on making the inter-operation of ESL Tools more convenient.

30th June 2020

ESL 20.20 is now available for release. There are a few bug fixes and enhancements.

13th January 2020

ESL 20.10 is now available for release. There are a few bug fixes and enhancements and we've introduced a tool to maintain .ini files.
As Microsoft have now dropped support for Windows 7 and Visual Studio 10, we have moved our development and support environments to Windows 10 and Visual studio 2019.

We'd love to hear from you.

We offer standard or customised training courses for ESL developers.
The courses can be carried out online using Teams or in your premises or our purpose built classroom.

We have recently introduced a Developer Accreditation service. This accreditation process will allow the assessment of an individual's development skills and their knowledge of the ESL products. As the skills will be assessed by ESL Syndetic, it will be done on a common basis across all ESL Customers. The accreditation can be carried out on your premises or in our purpose built classroom.

Please contact for details.

There are 4 levels:

Competent ESL Developer

This person will typically have 1 year's experience of using ESL to maintain and/or develop applications, although this period could be shorter if the person has previous programming skills in another block structure language.

ESL Database Programmer

This person will have already met the requirements of Competent ESL Developer. They will have worked on the maintenance and/or development of ESL applications that interface with database servers. The typical ESL Database Programmer will have 18 months to 2 years experience of ESL in a commercial environment.

ESL Screen Scraping Programmer

This person will have already met the requirements of Competent ESL Developer. They will have worked on the maintenance and/or development of ESL applications that interface a host computer via the EHLLAPI, commonly known as “Screen Scraping”. The typical ESL Screen Scraping Programmer will have 18 months to 2 years experience of ESL in a commercial environment.

Advanced ESL Developer

This level of competence will be earned by programmers who have an extensive knowledge of all the features provided by ESL, although they may have specialised in either Database or Screen Scraping applications. They will also be familiar with installing and configuring ESL.