Drilldown: tool

Bitwarden (1) · BTCPay Server (1) · Chuffed (1) · CiviCRM (1) · Element (1) · Eventbrite (1) · Jitsi (8x8, Inc.) (1) · Jitsi Meet (1) · Nextcloud (1) · OnlyOffice (1) · Signal Foundation (1) · The Tor Project (US 501(c)(3) nonprofit) (1) · Zeffy (1)

0% fee crowdfunding for social causes (1) · end-to-end encrypted messaging from a nonprofit (1) · event promotion and ticketing platform (1) · open source CRM built for nonprofits (1) · open source password manager, great LastPass alternative (1) · open-source video conferencing, no account required (1) · self-hostable, federated encrypted messaging (Matrix) (1) · self-hostable, open-source video conferencing (WebRTC) (1) · self-hosted groupware with built-in office editing (1) · self-hosted office suite with real-time editing (1) · self-hosted, non-custodial Bitcoin/Lightning payment processor (1) · volunteer-run anonymity network (onion routing) (1) · zero-fee fundraising and event platform (1)

https · Other · None

bitwarden.com (1) · btcpayserver.org (1) · chuffed.org (1) · civicrm.org (1) · element.io (1) · eventbrite.com (1) · jitsi.org (2) · nextcloud.com (1) · onlyoffice.com (1) · signal.org (1) · torproject.org (1) · zeffy.com (1)

free · recurring/mo · varies · Other · None

None (1) · $0 platform fee -- Zeffy covers card-processing costs itself, funded by an optional donor tip at checkout (roughly two in three donors tip, per Zeffy) (1) · Client and Matrix server software (Synapse/Dendrite/Conduit) are free and open source; self-host at only your hosting cost, use the free matrix.org homeserver, or buy Element's hosted plans. (1) · Cloud DocSpace Business $20/admin/mo; self-hosted Enterprise license from $1,500 (50 connections) (1) · Free and open source (Apache 2.0). Self-host at only your hosting cost, use the free public meet.jit.si instance, or buy 8x8's managed Jitsi as a Service (JaaS) for scale/branding. (1) · Free and open source. Run by the non-profit Tor Project, funded by grants (historically including US-government sources such as the State Department and NRL) plus individual donations. Funding is not control here: the code is public, reproducible, and independently audited. (1) · Free events are always free. Paid tickets: ~3.7%+$1.79/ticket plus 2.9% payment processing, no fee cap. Pro email tiers $15-100/mo (nonprofits get 50% off after verification). (1) · Free on the public instance (meet.jit.si) or self-hosted at no licensing cost (Apache 2.0); managed hosting via 8x8 JaaS from $0.35/monthly active user, or $99+/mo (1) · Free tier covers unlimited passwords/devices for individuals; Teams $4/user/mo, Enterprise $6/user/mo (open-source server, self-hosting available) (1) · Free, no ads, no paid tiers. Run by the Signal Foundation, a US 501(c)(3) nonprofit funded by grants and donations; by charter it cannot be acquired. (1) · No platform fee -- 100% of funds raised go to the cause, minus standard payment processing (1) · Self-hosted is free, no user limit. Enterprise support from EUR 67.89/user/yr (100-user minimum). Nextcloud One managed hosting ~EUR 13-15/user/mo. (1) · Software is free; self-host on existing infra, or managed CiviCRM hosting from roughly $10-100/mo depending on tier (1)

closed (3) · open (10)

cloud (4) · hybrid (7) · self (2)

None (5) · End-to-end encrypted 1:1 and group messaging, plus voice/video calls, built on the audited Signal Protocol (Double Ratchet + X3DH). ~40M monthly users. Registration requires a phone number; usernames (added 2024) let you start chats without sharing it. (1) · End-to-end encrypted chat on the Matrix open standard. Anyone can run a homeserver and servers federate like email; Element is the reference client. 115M+ addressable accounts, with bridges to Signal, Telegram, WhatsApp and others. (1) · Event listing, promotion, and ticketing -- event pages, RSVP/ticket sales, and email promotion to an audience list. Free to publish and manage free events with no platform fee; fees only apply to paid ticket sales. (1) · Nonprofit-oriented crowdfunding platform charging no platform fee, explicitly open to individuals, social enterprises, and unregistered community groups, not just registered charities. Scale (per Chuffed's own reporting): 50,000+ organizers, 2.5M+ supporters, $275M+ raised to date. (1) · Open-source CRM purpose-built for nonprofits and advocacy groups -- donor tracking, campaign management, event registration, and membership -- rather than a generic sales CRM repurposed for fundraising. Integrates as a plugin into WordPress, Drupal, or Joomla. (1) · Open-source password manager: unlimited passwords and devices on the free tier, cross-platform sync, autofill. Officially self-hostable, and the community-run Vaultwarden server is a lightweight alternative implementation for orgs that want to run it themselves. (1) · Open-source video conferencing usable instantly with no account via the free public instance, or self-hosted for full control over data and infrastructure. (1) · Zero-fee fundraising, ticketing, and membership platform for nonprofits. Scale (per Zeffy's own reporting): 100,000+ nonprofits, $2B+ raised to date. (1)

None · Choose the region closest to your primary users to minimize latency. Enable automatic backups ($1.20/month at the entry tier) from the start — restoring from a snapshot is far easier than rebuilding from scratch. · Even the self-hosted install requires an API key that calls home to Akaunting's servers to validate your license tier -- worth knowing if full data sovereignty (no external dependency at all) is a hard requirement, since this isn't quite that despite being open source. · Explore active campaigns from the Campaigns tab. Mobile apps available on iOS (App Store) and Android (Google Play). · Fewer native integrations than Slack out of the box -- most third-party connections go through incoming/outgoing webhooks rather than a marketplace, so budget some setup time. Good fit for teams that want a near drop-in Slack replacement and value Go-based, ops-friendly self-hosting. · Has the most GitHub momentum of the self-hosted Slack alternatives (~45k stars). The free Community edition covers most day-to-day needs; exceeding Starter-plan limits blocks adding new users but does not lock you out of existing data. · Registration: no nonprofit status or business registration required -- sign up and start collecting tips/memberships as an individual or org account. · Registration: no nonprofit status or business registration required to sign up. · See https://www.mediawiki.org/wiki/Miraheze for an overview of available extensions and account setup. No cost, donation-supported; account required to create a new wiki. · See the repo README for local setup and deployment instructions. · Syncs with any CalDAV-compatible client (Thunderbird, most phone calendar apps) so people aren't locked into a web UI. · The free plan supports up to 20 email alert recipients — sufficient for most small organizations. Webhook triggers allow integration with custom scripts or chat tools on status changes. · Use Board view for kanban-style tracking across teams. Guest access is available on paid plans for external collaborators. · Zero-access encryption means Proton cannot read message content or hand it over even under legal request -- worth flagging for teams handling sensitive organizing communications. No self-hosting option; mail is hosted on Proton's own infrastructure in Switzerland. · Other

None (10) · Custodial crypto processors like Coinbase Commerce and BitPay: they take crypto but hold funds and impose KYC, reintroducing exactly the operator-freeze risk that self-custody removes. If the goal is deplatform resistance, a custodial crypto gateway gives up the main advantage. (1) · Relying on the public matrix.org homeserver reintroduces an operator/jurisdiction -- self-host to get the benefit. Discord and Slack are centralized and not end-to-end encrypted. (1) · WhatsApp (uses the Signal protocol but is Meta-owned and harvests metadata) and Telegram (chats are not end-to-end encrypted by default, weaker crypto). (1)

Donor & Volunteer CRM (1) · Finance&Accounting (1) · Fund Raising (2) · Office Suite (2) · Outbound Comms (1) · Password Management (1) · Privacy & Anonymity (1) · Secure Messaging (2) · Video Conferencing (2)