In addition to the Lasso Studio products, there are a number of popular third party editors and IDE's with built-in or available support for Lasso. The following tools ship with built-in support for the Lasso language:
BBEdit is the leading professional HTML and text editor for the Macintosh. Specifically crafted in response to the needs of Web authors and software developers, this award-winning product provides a plethora of features for editing, searching, and manipulation of text. BBEdit transforms text with high performance.
Coda is a one-window web development app. Coda takes all of the tools you need to build the future of the web, including an integrated file browser, fully-featured text editor, CSS editor, preview, built-in terminal, and complete set of reference, and wraps it all in a single elegant interface.
L-Debug is a debug stack application where you set up tracers to give an easy overview of your application logic and methods and so clearly and quickly identify what, where, and why a problem has occurred in your Lasso code. Available for both with both Lasso 8x and Lasso 9x via svn downloads.
Other tools, including older versions of those which now support Lasso natively, can be extended to include Lasso syntax coloring via custom language modules: