Guides for evaluating, self-hosting, and migrating to open source.

Meilisearch, Typesense, OpenSearch, and Zinc: open source Algolia alternatives — fast, typo-tolerant search without per-request pricing in 2026 Updated.

Asana costs $10.99-30.49/user/month. These open source project management tools offer task management and team collaboration for free Updated for 2026.

Keycloak, Authentik, Logto, and SuperTokens: open source Auth0 alternatives — enterprise authentication without enterprise pricing in 2026 Free options covered.

Top open source alternatives to Better Stack in 2026: Uptime Kuma, Gatus, Grafana Loki, and OpenStatus for self-hosted monitoring, logs, and status pages.

Bitly costs $8-$199/month with harsh free-tier limits. These open source URL shorteners offer custom domains, analytics, and full data ownership for free.

Calendly costs $10-16/user/month. These open source scheduling tools offer self-hosted booking pages, team scheduling, and full data ownership for free.

Canva costs $15-30/user/month for Pro features. These open source design tools offer templates, image editing, and graphic design for free Updated for 2026.

ChatGPT Plus costs $20/month per user and sends your data to OpenAI. These self-hosted alternatives give you private, unlimited AI chat with full data.

Clerk charges $0.02 per MAU past 10K users. These self-hosted alternatives give you complete auth — social login, MFA, organizations — with no per-user fees.

Outline, BookStack, Wiki.js, and Docmost: open source Confluence alternatives — self-hosted knowledge bases that actually work in 2026 Free options covered.

Grafana, Prometheus, SigNoz, and Uptrace: open source Datadog alternatives — full-stack monitoring and observability without the bill shock in 2026 Updated.

Papermark vs DocSend 2026: compare open source document sharing with page analytics, email capture, and data rooms. Self-host for $6/month vs $45/user.

Documenso, OpenSign, and SignaturePad: open source DocuSign alternatives — self-hosted, legally binding e-signatures for free in 2026 Free options covered.

Rallly, Cal.com, and Framadate vs Doodle Pro: compare open source group scheduling poll tools on features, privacy, and cost. Self-host for free. March 2026.

Dropbox costs $11.99-24/user/month with limited storage. These open source file sync tools offer unlimited storage on your own server Updated for 2026.

Figma costs $15-75/editor/month after Adobe acquisition. These open source design tools offer UI design, prototyping, and collaboration for free in 2026.