- Apache CouchDB
- 'Ara' is a command-line utility for querying the Debian package database. It has a query syntax allowing you to search for boolean combinations of regular expressions. It includes a simple syntax and line-editing. A graphical interface, xara, is also provided.
- AutoCodeGenerator is a tool which is able to generate other programs that insert, delete, or update database records for a number of different database programs. Programs can be generated in Python, bash, ksh, Java, C, or other languages; the package also generates code for various database servers via a plain text file.
- Autobench is a collection of scripts to automate the benchmarking a web server (or for conducting a comparative test of two different web servers). It is a wrapper for httperf. Autobench runs httperf repeatedly against each host, increasing the number of requested connections per second each time. It extracts the significant data from the httperf output, and delivers a CSV or TSV file which can be imported directly into a spreadsheet for analysis or GNUplotted using the included bench2graph script.
- Autotabla is a CGI interface to a collection of SQL tables. Once an XML description of the database schema (table names, fields, etc.) is provided, all table maintenance can be done from a Web page. The program reads the database schema from a configuration file, and you can manage the tables included in the schema: you can add, delete or modify rows and you can do simple but effective queries. It is meant to help developers who are making SQL based applications, freeing them from writing basic scripts for accessing the tables the application will use, and letting them test those applications with live data that can be inserted, modified or deleted from outside it. It reads the database schema from an XML configuration file (which must be provided, and presents an index page of tables and operations to do with them. From then on, the user can do all typical table maintenance.
- 'Anti-Web httpd' is a single-process Web server that relies on its inherent simplicity to be robust and secure. It has support for virtual hosts, CGI, IPv6, and more. In its default mode, though, it is easy to launch and requires no configuration files. It implements the bare minimum of HTTP 1.1 necessary to be a productive web server. It doesn't support certain requests like HEAD (anymore), but normal users will never notice the difference. POST request support is in the works, as is HTTPS/SSL support.
- BasApp is a software for friendly creation of web applications, based on your own database structure. Once BasApp is installed in a webserver, the developer can do all the job with a web browser, same as final user.
- Berkeley Database
- The Berkeley Database is an embedded database system. Its access methods include B+tree, Extended Linear Hashing, fixed and variable-length records, and Persistent Queues. Berkeley DB provides full transactional support, database recovery, online backups, and separate access to locking, logging and shared memory caching subsystems. The program supports C, C++, Java, Tcl, Perl, and Python APIs.
- BibTeXConv is a BibTeX file converter which allows to export BibTeX entries to other formats, including customly defined text output. Furthermore, it provides the possibility to check URLs (including MD5, size and MIME type computations) and to verify ISBN and ISSN numbers.
- Bibfilex is a bibliographic manager. It's useful for creating and managing archives of bibliographical items (books, articles, etc.) with possible attachments of any kind according to Biblatex structure and rules, but it can be used also with a word processor like Writer or Word. Bibfilex may create and manage files which are catalogs of many items – also thousands of them. A file of Bibfilex is a database of SQLite. In a Bibfilex file data are not stored according to Biblatex format, so it cannot be used as a bibliographic file in a Latex document. Anyway, Biblatex may export with a one-click functionality all or part of its content in Biblatex format file; this can be read directly with JabRef or used in a Latex document. At the same time, Bibfilex may import directly a JabRef database.
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