Fast Light Toolkit - Fast Light Toolkit (FLTK)

Stable Release:	v1.3.5
Stable Release Info:	View Release Info
Snapshots:	v1.4.x-20190517-238c3b7c
Developer Roadmap:	View Roadmap
FLTK Commit Activity: (updated every 15 min.)	View Graph

FLTK (pronounced "fulltick") is a cross-platform C++ GUI toolkit for UNIX^®/Linux^® (X11), Microsoft^® Windows^®, and MacOS^® X. FLTK provides modern GUI functionality without the bloat and supports 3D graphics via OpenGL^® and its built-in GLUT emulation.

FLTK is designed to be small and modular enough to be statically linked, but works fine as a shared library. FLTK also includes an excellent UI builder called FLUID that can be used to create applications in minutes.

FLTK is provided under the terms of the GNU Library Public License, Version 2 with exceptions that allow for static linking.

	Current Poll [ Show All ]
	Do you need / use the "FLTK Apps" and "Links" tabs on the FLTK website? We may want to close these parts if users don't want or need them. You may pick more than one answer. (pick all that apply) Yes, I'm often looking for interesting FLTK apps. Yes, please keep, but I don't use them frequently. No, I don't really need these apps and links pages. No, I never use them, please remove. I use FLTK Apps but not Links. I use Links but not FLTK Apps. I used them when I was new to FLTK. I believe they are important for new users. I like them, but they should be better accessible. I abstain. [ Results ] (173 votes, 4 comments)

	Top 10 Links [ Show All ]
	SpiritVNC - FLTK 0.3.14
	Fl_Firmata 0.2
	Some Extended FLTK Widget na
	fldigi 4.0.18
	FreeMajor 2018-11-08
	Fltk_Contour 5.3.2
	BP-ANNA (Artificial Neural Network) 1.9.2
	flPhoto 1.3.1
	flnet 7.3.3.2
	fl_logbook 1.2.4

Site News

Dec 01, 2018: The FLTK Team is proud to announce that we moved our source code repository to Git and the FLTK website to a new server. Please see article FLTK Moved to Git and to a new Server.

May 2013: Back in April 2013 we had to move the fltk.general and fltk.coredev lists to google groups. Please join us there to reconnect. All postings from today on back through 2004 are available on the fltk Forums page.

Recent Articles [ Show All ]

FLTK 1.3.5 (final) released on Mar 3, 2019 Sticky

02:26 Mar 03, 2019 by AlbrechtS, 0 comments
FLTK 1.3.5 is a maintenance release with many enhancements and bug fixes. It is expected to be the last release in the 1.3.x series. [ Read ]

FLTK Moved to Git and to a new Server Sticky

05:03 Dec 01, 2018 by AlbrechtS, 2 comments
The FLTK Team is proud to announce that we moved our source code repository to Git and the FLTK website to a new server. [ Read ]

Git for FLTK Users Sticky

06:24 Feb 11, 2019 by AlbrechtS, 0 comments
How to use Git for downloading and using FLTK. [ Read ]

Git for FLTK Developers Sticky

06:24 Feb 11, 2019 by AlbrechtS, 0 comments
How to use Git as a FLTK developer to push your changes to the FLTK Git repository - work in progress... [ Read ]

What are the Versions of FLTK? Sticky

06:16 Mar 31, 2019 by engelsman, 3 comments
There is a lot of confusion, especially for people who are new to FLTK, about the different versions that are available, what they offer, and when they will be released. This article attempts to clarify matters. [ Read ]

FLTK 1.4.x Weekly Snapshot (master)
00:05 May 17, 2019 by WebsiteCron, 0 comments
A new weekly snapshot of FLTK 1.4.x (master) is now available [ Read ]

FLTK 1.3.5 Release Candidate 2 released on Feb 17, 2019
02:32 Mar 02, 2019 by AlbrechtS, 0 comments
FLTK 1.3.5 is a maintenance release with many enhancements and bug fixes. It is expected to be the last release in the 1.3.x series. [ Read ]

FLTK 1.3.5 Release Candidate 1 released on Feb 11, 2019
04:27 Feb 17, 2019 by AlbrechtS, 0 comments
FLTK 1.3.5 is a maintenance release with many enhancements and bug fixes. It is expected to be the last release in the 1.3.x series. [ Read ]

FLTK Video Tutorials 1.0
16:10 Feb 12, 2019 by greg.ercolano, 6 comments
FLTK Video Tutorials [ Read ]

Gitter community channel for FLTK
09:00 Dec 22, 2018 by Thecarisma, 0 comments
https://gitter.im/fltklib/fltk - A gitter channel is created for Fast Light Toolkit and it applications in order to facilitate and speed up and simplify communication, requests and queries. [ Read ]

FLTK code repository on Github
11:43 Dec 04, 2018 by AlbrechtS, 2 comments
Our FLTK code repository is on GitHub since Dec 01, 2018.
Subversion access has been closed at the same time. [ Read ]

How does resizing work?
01:50 Sep 20, 2018 by matt, 5 comments
Layout management is an important part of creating a user friendly UI. FLTK uses the 'Fl_Widget::resizable()' method to achieve almost any kind of resizing behavior. [ Read ]

Gmsh 4.0
16:51 Aug 22, 2018 by geuzaine.acm.caltech, 0 comments
Gmsh 4.0.0 is out, with a new C++, C, Python and Julia API and a ton of other enhancements! [ Read ]

FeedingBottle 3.3
13:43 Feb 11, 2018 by ZhaoChunsheng, 0 comments
FeedingBottle has been open source now. [ Read ]

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