Open Source SaaS Alternatives, Self-Hosted Software & COSS Benchmarks

92 projects

Whiteboards & DiagramsCommercial competitors →Market trends →Hero & design styles →

Open-source projects · GitHub Stars
Project	Tagline	License & Stack	Stars	Visits	Commercial
OrgPadCOSSOrgPad-com/OrgPad-apiYour ideas have structure. OrgPad makes it visible.	Your ideas have structure. OrgPad makes it visible.	—	GitHub	35.3K	$7/mo
Asciiflowlewish/asciiflow2infinite ascii diagrams, save to google drive, resize, freeform draw, and export straight to text/html.	infinite ascii diagrams, save to google drive, resize, freeform draw, and export straight to text/html.	GPL	GitHub	29.8K	—
HavaCOSSteamhava/hava-ui-cliAutomated cloud diagrams in minutes	Automated cloud diagrams in minutes	Apache	GitHub	28.6K	$59/mo
yFilesMCPyWorks/graphs-in-digital-marketingMaximize your data potential with yFiles	Maximize your data potential with yFiles	—	GitHub	28.4K	$917/mo
LikeC4MCPlikec4/likec4Architecture as Code	Architecture as Code	—	GitHub	7K	—
draft1 for AI agentsCOSSabdelhadi-azouni/draft1-mcpThe AI Diagram Generator.	The AI Diagram Generator.	—	GitHub	5.5K	$24/mo
Beauty DiagramCOSSbeauty-diagram/beauty-diagram-browser-extensionYour diagrams render fine. We make them beautiful.	Your diagrams render fine. We make them beautiful.	—	GitHub	<5K	$6/mo
BlueprintrCOSSblueprintr-io/vellum-editorBlueprintr: Documentation that doesn’t go stale	Blueprintr: Documentation that doesn’t go stale	—	GitHub	<5K	$10/mo
Vizzylloydhumphreys/vizzyLet your agent show you	Let your agent show you	—	GitHub	<5K	—
RevisionCOSSrevision-org/backstage-pluginsOne shared model. Different views.	One shared model. Different views.	Apache	GitHub	<5K	—
PlantdiagramsCOSSmediunocode/plantdiagramsCreate, Manage and Share PlantUML diagrams	Create, Manage and Share PlantUML diagrams	—	GitHub	<5K	$5
Integrated-architecture-environmentkumarutkarshuk/integrated-architecture-environmentReal-time AI-assisted system design workspace	Real-time AI-assisted system design workspace	—	GitHub	<5K	—
ArchsenseCOSSArchSense/archsense-monoDo not let AI introduce silent architecture drift	Do not let AI introduce silent architecture drift	MIT	GitHub	<5K	$159/mo
notemapCOSSnotemap/notemapUntangle your thinking.	Untangle your thinking.	—	GitHub	<5K	$20
Lucid TrainCOSSArnab28122000/lucid-trainGenerate architecture diagrams straight from your codebase	Generate architecture diagrams straight from your codebase	MIT	GitHub	<5K	$3/mo
MarkboardCOSSsvidgen/markboard-supportThe virtual whiteboard for engineers. (And other geeks who like markdown.)	The virtual whiteboard for engineers. (And other geeks who like markdown.)	—	GitHub	<5K	$7/mo
MonoMapCOSStehnika-mk/monomapOne tool. Two workspaces. Zero bloat.	One tool. Two workspaces. Zero bloat.	—	GitHub	<5K	$8/mo
FigSchemaCOSSfigschema/real-world-schemasSketch schema in FigJam. Export real SQL.	Sketch schema in FigJam. Export real SQL.	—	GitHub	<5K	$29/mo
ViaductMCPquietgridlabs/viaductSystem design, made simple.	System design, made simple.	—	GitHub	<5K	$11/mo
DiagramaHubdiagramahub/diagramahubDiagrams as text, powered by AI.	Diagrams as text, powered by AI.	—	GitHub	<5K	—
livediagramlivediagram-app/livediagram.appWhat are you diagramming today?	What are you diagramming today?	MIT	GitHub	<5K	—
VidBoardsKuzmaBogdanov/vidBoardsYour Generated Media Структурированы.	Your Generated Media Структурированы.	—	GitHub	<5K	—
SharePadCOSSjonyardley/SharePadShare your thinking, not just your screen.	Share your thinking, not just your screen.	—	GitHub	<5K	$4/mo
Graflylnenad/graflyGrafly – Free Online Diagram & Flowchart Tool	Grafly – Free Online Diagram & Flowchart Tool	—	GitHub	<5K	—
macdrawaadityakumarsah/macdrawYour screen, your canvas.	Your screen, your canvas.	—	GitHub	<5K	—
InkFlowkartik-giri/InkflowDraw ideas ship faster.	Draw ideas ship faster.	—	GitHub	<5K	—
SubcanvasMCPsubcanvas/subcanvasTurn a GitHub repo into a diagram you can click into.	Turn a GitHub repo into a diagram you can click into.	—	GitHub	<5K	$5/mo
BreaticCOSSorime-org/breaticCreate Freely. Collaborate Better	Create Freely. Collaborate Better	—	GitHub	<5K	$20/mo
SimpleDiagramsCOSSmcquilleninteractive/simplediagrams-diagram-skillSimple, sketch-style diagrams on your Mac	Simple, sketch-style diagrams on your Mac	—	GitHub	<5K	$19/mo
OrgPadCOSSOrgPad-com/OrgPad-apiYour ideas have structure. OrgPad makes it visible.	Your ideas have structure. OrgPad makes it visible.	—	GitHub	<5K	$1,000Claimed

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