Workfow Server is a ready-to-use Workflow Engine-based application that you can deploy into your infrastructure. It can be integrated with NodeJS, PHP, Ruby, .NET, or Java applications via a REST API. Workflow Server is a key component for managing the lifecycle of business objects within your enterprise.

Very light offline license server Multi-platform for all Jetbrains products without any install as service or setup (just double click).
I had test it with phpStorm 2017.2, it's work perfectly without any internet connection.
License server is on http://0.0.0.0:8080

You can even synchronize data of heterogeneous databases (for example, compare your local SQL Server database with a MySQL replica on your web site - and synchronize all the differences in just a few minutes). Easily replicate database table data - even with heterogeneous databases. Whether you need to simply compare two databases or set up replication, you have come to the right place. Replicator does not change reference database in any way nor requires setting up custom agents or triggers in your databases.

Full Convert is the easiest way to convert your database. Whether you need to simply copy your data over or have sophisticated customization needs, you have come to the right place. All popular databases are supported. A high-speed database converter carefully engineered to efficiently handle even the largest databases.

Navicat Premium is a database development tool that allows you to simultaneously connect to MySQL, MariaDB, SQL Server, Oracle, PostgreSQL, and SQLite databases from a single application. Compatible with cloud databases like Amazon RDS, Amazon Aurora, Amazon Redshift, SQL Azure, Oracle Cloud and Google Cloud. You can quickly and easily build, manage and maintain your databases.

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POP3 / SMTP - Feature List
Zip, GZip, Bz2, .Z Compression - Feature List
Data Compression - Feature List
TAR Archive - Feature List
FTP2 - Feature List
IMAP - Feature List
Encryption - Feature List
RSA Encryption and Signatures - Feature List
DSA (DSS) Signatures - Feature List
Diffie-Hellman (DH) Key Exchange - Feature List
HTTP - Feature List
Socket / SSL - Feature List
SSH / SFTP - Feature List
MIME + S/MIME - Feature List
MHT - Feature List
HTML-to-XML Conversion - Feature List
Charset Encoding Conversion - Feature List
Email Bounce Processing - Feature List
XMP - Feature List

Best selling POP3/SMTP email .NET component for C#, VB.NET, and ASP.NET. Best selling Zip .NET component for C#, VB.NET, and ASP.NET. HTTP client component for communicating with HTTP servers.

Best selling POP3/SMTP email .NET component for C#, VB.NET, and ASP.NET. Best selling Zip .NET component for C#, VB.NET, and ASP.NET. HTTP client component for communicating with HTTP servers.