Gisto is a Cross-platform snippets management application that allows you and/or your team share code snippets fast and easily. Based on GitHub Gists or GitLab snippets Infrastructure which means you can use all your existing snippets by connecting your GitHub/GitLab account!
Seedbank gives your seed data a little structure. Create seeds for each environment, share seeds between environments and specify dependencies to load your seeds in order. All nicely integrated with simple rake tasks.