I've been using Rev for more than six years, since the engine was called MetaCard. It's really hard to beat it for productivy in rapidly building multi-platform GUI apps. With a bytecode arguably more efficient than Java's, Rev's performance is much faster than you'd expect from such a high-level language -- my apps are commonly mistaken for being written in C (see my article in the Jan 04 edition of MacTech for more on 4GLs in general and Rev specifically).
With one-liners for most common tasks (including HTTP and FTP stuff), a rich object model, and a simple self-documenting language, my clients and I have been cranking out features faster and at lower cost than our competitors, leaving us more time to focus on design and marketing.
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I've been using Rev for more than six years, since the engine was called MetaCard. It's really hard to beat it for productivy in rapidly building multi-platform GUI apps. With a bytecode arguably more efficient than Java's, Rev's performance is much faster than you'd expect from such a high-level language -- my apps are commonly mistaken for being written in C (see my article in the Jan 04 edition of MacTech for more on 4GLs in general and Rev specifically).
With one-liners for most common tasks (including HTTP and FTP stuff), a rich object model, and a simple self-documenting language, my clients and I have been cranking out features faster and at lower cost than our competitors, leaving us more time to focus on design and marketing.