
JabRef
Mendeley
Zotero
Qiqqa
Citavi
Docear
Paperpile
EndNote
Deferit
Openpay
Bread
I2c
Clearly Payments
Clearpay
Humm
QuickFee
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Openpay - Openpay is a payment gateway solution.
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Bread - Bread is a buy now and pay later platform that lets you buy things in easy installments.
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
I2c - I2c is an open API card issuing, payment processing, and digital banking platform that allows you to create payment card programs and have flexibility in billing options.