#1

Grist

★★★★ 4.3 Free / $10+ Free plan

Open-source modern relational spreadsheet that combines the flexibility of a spreadsheet with the robustness of a database, with Python formula support.

relational-datapython-formulascustom-widgetsaccess-rules
✓ Fully open-source (Apache 2.0)✓ Python formulas instead of spreadsheet formulas✓ Self-hostable
#2

Continue

★★★★ 4.3 Free Free plan

Open-source AI code assistant IDE extension that connects any LLM to VS Code or JetBrains, with autocomplete, chat, and inline editing capabilities.

autocompletechatinline-editingmulti-model-support
✓ Fully open-source (Apache 2.0)✓ Works with any LLM provider✓ VS Code and JetBrains support
#3

Plane

★★★★ 4.2 Free / $7+ Free plan

Open-source project tracking that serves as a modern alternative to Jira.

cyclesmodulesviewspages
✓ Open source and self-hostable✓ Modern clean interface✓ Jira-like power without complexity
#4

Taiga

★★★★ 4.2 Free / $5+ Free plan

Open-source agile project management platform for cross-functional teams, with Scrum and Kanban boards, epics, user stories, and sprint planning built in.

scrum-boardskanbanepicsuser-stories
✓ Fully open-source and self-hostable✓ Beautiful modern interface✓ Both Scrum and Kanban support
#5

Focalboard

★★★★ 4 Free Free plan

Open-source project management tool by Mattermost that serves as a self-hosted alternative to Trello, Notion boards, and Asana, with kanban, table, and calendar views.

kanban-boardstable-viewcalendar-viewtemplates
✓ Completely free and open-source✓ Self-hostable for data control✓ Multiple view types (board, table, gallery)

Stay ahead of AI — Weekly tool picks, straight to your inbox.

Join thousands of professionals who get curated AI tool recommendations every week. No spam, unsubscribe anytime.