Open-source alternatives starting with D 129 in total.
- D2L Brightspace alternatives
- D5 Render alternatives
- Dacast alternatives
- Daily alternatives
- Dailymotion alternatives
- Darktrace alternatives
- Dart alternatives
- Darwinbox alternatives
- Dash alternatives
- Dash Social alternatives
- Dashlane alternatives
- DashThis alternatives
- Data Studio alternatives
- Databox alternatives
- Databricks alternatives
- DataCamp alternatives
- Dataddo alternatives
- Datadog alternatives
- DataDome alternatives
- Dataedo alternatives
- DataFast alternatives
- DataGrip alternatives
- Dataiku alternatives
- datapine alternatives
- DataRobot alternatives
- DataSpell alternatives
- DataStax Astra DB alternatives
- Datawrapper alternatives
- DATEV alternatives
- DatoCMS alternatives
- DaVinci Resolve alternatives
- Day One alternatives
- Dayforce alternatives
- Daylio alternatives
- Daylite alternatives
- Daz Studio alternatives
- DAZN alternatives
- DBCode alternatives
- dbdiagram.io alternatives
- dbForge Studio alternatives
- DbSchema alternatives
- DbVisualizer alternatives
- Dead Man's Snitch alternatives
- DealCloud alternatives
- DebugBear alternatives
- Decagon alternatives
- Decisions alternatives
- Deepgram alternatives
- DeepInfra alternatives
- DeepL alternatives
- Deepnote alternatives
- DeepSeek alternatives
- DeepSource alternatives
- Deezer alternatives
- Degoo alternatives
- Delinea Secret Server alternatives
- Deltek alternatives
- Demio alternatives
- Deno Deploy alternatives
- Denodo alternatives
- Depot alternatives
- Deputy alternatives
- Descope alternatives
- Deskera alternatives
- Desygner alternatives
- DevCycle alternatives
- Devin alternatives
- Devolutions alternatives
- DEVONthink alternatives
- Dia alternatives
- Dice alternatives
- Diffbot alternatives
- DigiCert alternatives
- Digital Samba alternatives
- DigitalOcean alternatives
- DigitalOcean Kubernetes alternatives
- DigitalOcean Managed Databases alternatives
- DigitalOcean Spaces alternatives
- DingTalk alternatives
- DirecTV Stream alternatives
- Disciple alternatives
- Discord alternatives
- Discovery+ alternatives
- Disney+ alternatives
- DisplayFusion alternatives
- Disqus alternatives
- Dixa alternatives
- djay alternatives
- DNSimple alternatives
- Docebo alternatives
- Docker Desktop alternatives
- Docker Hub alternatives
- DocSend alternatives
- Docsie alternatives
- Document360 alternatives
- DocuSign alternatives
- DocuWare alternatives
- Domino Data Lab alternatives
- Doodle alternatives
- Doppler alternatives
- Dorik alternatives
- Dotcom-Monitor alternatives
- Dotdigital alternatives
- Doubao alternatives
- Dovetail alternatives
- Drafts alternatives
- DraftSight alternatives
- Drata alternatives
- DrawSQL alternatives
- DreamHost alternatives
- Drip alternatives
- DronaHQ alternatives
- Dropbox alternatives
- Dropbox Paper alternatives
- Dropbox Sign alternatives
- Droplr alternatives
- Druva alternatives
- dtSearch alternatives
- Dubsado alternatives
- DuckDuckGo alternatives
- Duda alternatives
- Duo Security alternatives
- Durable alternatives
- DxO PhotoLab alternatives
- DxO PureRAW alternatives
- Dynamic Yield alternatives
- Dynamics 365 Business Central alternatives
- Dynamics 365 Sales alternatives
- Dynatrace alternatives