# Fluentd Languages Frameworks and Middleware

td-agent was discontinued in December 2023 and has been replaced by **fluent-package**. The fluent-package is the official successor maintained by the [Cloud Native Computing Foundation](https://www.cncf.io/projects/).

After you modify your existing applications to post data to Treasure Data review the following information to understand the process (with sample code) for various languages, frameworks, and middleware.

## Supported Languages

| Language | Link |
|  --- | --- |
| Ruby | [Ruby Apps Import Integration](/int/ruby-apps-import-integration) |
| Rails | [Rails Apps Import Integration](/int/rails-apps-import-integration) |
| Java | [Java Apps Import Integration](/int/java-apps-import-integration) |
| Perl | [Perl Apps Import Integration](/int/perl-apps-import-integration) |
| Python | [Python Apps Import Integration](/int/python-apps-import-integration) |
| PHP | [PHP Apps Import Integration](/int/php-apps-import-integration) |
| Scala | [Scala Apps Import Integration](/int/scala-apps-import-integration) |
| Node.js | [Node.js Apps Import Integration](/int/node-js-apps-import-integration) |


## Middleware

* [Apache Logs](/int/apache-access-logs-import-integration)
* [Logs formatted in CSV, TSV, and LTSV Logs](/int/logs-import-using-csv-tsv-and-ltsv-formats)