Gleek.io Alternatives

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

Online diagramming application

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

WebSequenceDiagrams is a web-based application that allows the user to use a proprietary language to define sequence diagram.

Create diagrams using simple code instead of frustrating drag-n-drop apps and share it in one click in Notion, GitHub, Jira, Confluence...

freemium $14.0 / Monthly

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

Looking for an affordable software with Enterprise Architecture tool, PMBOK tool, UML tool, Agile tool, BPMN tool and UX tool? Read this page for details.

Professional digital design for Mac.

StarUML

The IYOPRO BPM Platform is a comprehensive online BPM Suite based on the BPMN 2.0 standard. The IYOPRO PLM Components combine innovative process management with solid PDM technology.

KeyLines is a powerful network visualization toolkit. Build products with game-changing interactive visualization that turns data into insight.