Sheep - Membership and events for SMEs and nonprofits
Donorhut - Donorhut offers cloud fundraising software for charities and non-profits of any size.
Galette - Galette is a membership management web application towards non profit organizations.
Txt2Give - Txt2Give helps churches, non-profits, schools, alumni associations, and political campaigns receive donations with text messages.
TidyHQ - Organization management tool to support membership, subscriptions, event planning, and outreach.
Little Green Light - Illuminating Data. Advancing Nonprofits.